diff --git a/BDInfo/BDROM.cs b/BDInfo/BDROM.cs
index 2faeb405e2..d42e381daa 100644
--- a/BDInfo/BDROM.cs
+++ b/BDInfo/BDROM.cs
@@ -135,13 +135,13 @@ namespace BDInfo
             {
                 IsBDPlus = true;
             }
-            
+
             if (DirectoryBDJO != null &&
                 _fileSystem.GetFiles(DirectoryBDJO.FullName).Any())
             {
                 IsBDJava = true;
             }
-            
+
             if (DirectorySNP != null &&
                 GetFiles(DirectorySNP.FullName, ".mnv").Any())
             {
@@ -206,7 +206,7 @@ namespace BDInfo
 
         private IEnumerable<FileSystemMetadata> GetFiles(string path, string extension)
         {
-            return _fileSystem.GetFiles(path).Where(i => string.Equals(i.Extension, extension, StringComparison.OrdinalIgnoreCase));
+            return _fileSystem.GetFiles(path, new[] { extension }, false, false);
         }
 
         public void Scan()
diff --git a/Emby.Common.Implementations/IO/ManagedFileSystem.cs b/Emby.Common.Implementations/IO/ManagedFileSystem.cs
index 0c1c02cd59..ed940eca5f 100644
--- a/Emby.Common.Implementations/IO/ManagedFileSystem.cs
+++ b/Emby.Common.Implementations/IO/ManagedFileSystem.cs
@@ -657,14 +657,41 @@ namespace Emby.Common.Implementations.IO
         {
             var searchOption = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
 
-            return ToMetadata(path, new DirectoryInfo(path).EnumerateDirectories("*", searchOption));
+            return ToMetadata(new DirectoryInfo(path).EnumerateDirectories("*", searchOption));
         }
 
         public IEnumerable<FileSystemMetadata> GetFiles(string path, bool recursive = false)
+        {
+            return GetFiles(path, null, true, recursive);
+        }
+
+        public IEnumerable<FileSystemMetadata> GetFiles(string path, string[] extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
         {
             var searchOption = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
 
-            return ToMetadata(path, new DirectoryInfo(path).EnumerateFiles("*", searchOption));
+            // On linux and osx the search pattern is case sensitive
+            // If we're OK with case-sensitivity, and we're only filtering for one extension, then use the native method
+            if (enableCaseSensitiveExtensions && extensions != null && extensions.Length == 1)
+            {
+                return ToMetadata(new DirectoryInfo(path).EnumerateFiles("*" + extensions[0], searchOption));
+            }
+
+            var files = new DirectoryInfo(path).EnumerateFiles("*", searchOption);
+
+            if (extensions != null && extensions.Length > 0)
+            {
+                files = files.Where(i =>
+                {
+                    var ext = i.Extension;
+                    if (ext == null)
+                    {
+                        return false;
+                    }
+                    return extensions.Contains(ext, StringComparer.OrdinalIgnoreCase);
+                });
+            }
+
+            return ToMetadata(files);
         }
 
         public IEnumerable<FileSystemMetadata> GetFileSystemEntries(string path, bool recursive = false)
@@ -674,14 +701,14 @@ namespace Emby.Common.Implementations.IO
 
             if (EnableFileSystemRequestConcat)
             {
-                return ToMetadata(path, directoryInfo.EnumerateDirectories("*", searchOption))
-                                .Concat(ToMetadata(path, directoryInfo.EnumerateFiles("*", searchOption)));
+                return ToMetadata(directoryInfo.EnumerateDirectories("*", searchOption))
+                                .Concat(ToMetadata(directoryInfo.EnumerateFiles("*", searchOption)));
             }
 
-            return ToMetadata(path, directoryInfo.EnumerateFileSystemInfos("*", searchOption));
+            return ToMetadata(directoryInfo.EnumerateFileSystemInfos("*", searchOption));
         }
 
-        private IEnumerable<FileSystemMetadata> ToMetadata(string parentPath, IEnumerable<FileSystemInfo> infos)
+        private IEnumerable<FileSystemMetadata> ToMetadata(IEnumerable<FileSystemInfo> infos)
         {
             return infos.Select(GetFileSystemMetadata);
         }
@@ -776,7 +803,7 @@ namespace Emby.Common.Implementations.IO
 
         public virtual void SetExecutable(string path)
         {
-            
+
         }
     }
 }
diff --git a/Emby.Dlna/DlnaManager.cs b/Emby.Dlna/DlnaManager.cs
index 020038422a..8f62e6d27a 100644
--- a/Emby.Dlna/DlnaManager.cs
+++ b/Emby.Dlna/DlnaManager.cs
@@ -286,19 +286,12 @@ namespace Emby.Dlna
         {
             try
             {
-                var allFiles = _fileSystem.GetFiles(path)
+                var xmlFies = _fileSystem.GetFilePaths(path)
+                    .Where(i => string.Equals(Path.GetExtension(i), ".xml", StringComparison.OrdinalIgnoreCase))
                     .ToList();
 
-                var xmlFies = allFiles
-                    .Where(i => string.Equals(i.Extension, ".xml", StringComparison.OrdinalIgnoreCase))
-                    .ToList();
-
-                var parseFiles = new List<FileSystemMetadata>();
-
-                parseFiles.AddRange(xmlFies);
-
-                return parseFiles
-                    .Select(i => ParseProfileFile(i.FullName, type))
+                return xmlFies
+                    .Select(i => ParseProfileFile(i, type))
                     .Where(i => i != null)
                     .ToList();
             }
@@ -322,16 +315,9 @@ namespace Emby.Dlna
                 {
                     DeviceProfile profile;
 
-                    if (string.Equals(Path.GetExtension(path), ".xml", StringComparison.OrdinalIgnoreCase))
-                    {
-                        var tempProfile = (DeviceProfile)_xmlSerializer.DeserializeFromFile(typeof(DeviceProfile), path);
+                    var tempProfile = (DeviceProfile)_xmlSerializer.DeserializeFromFile(typeof(DeviceProfile), path);
 
-                        profile = ReserializeProfile(tempProfile);
-                    }
-                    else
-                    {
-                        profile = (DeviceProfile)_jsonSerializer.DeserializeFromFile(typeof(DeviceProfile), path);
-                    }
+                    profile = ReserializeProfile(tempProfile);
 
                     profile.Id = path.ToLower().GetMD5().ToString("N");
                     profile.ProfileType = type;
@@ -553,15 +539,13 @@ namespace Emby.Dlna
     class DlnaProfileEntryPoint : IServerEntryPoint
     {
         private readonly IApplicationPaths _appPaths;
-        private readonly IJsonSerializer _jsonSerializer;
         private readonly IFileSystem _fileSystem;
         private readonly IXmlSerializer _xmlSerializer;
 
-        public DlnaProfileEntryPoint(IApplicationPaths appPaths, IFileSystem fileSystem, IJsonSerializer jsonSerializer, IXmlSerializer xmlSerializer)
+        public DlnaProfileEntryPoint(IApplicationPaths appPaths, IFileSystem fileSystem, IXmlSerializer xmlSerializer)
         {
             _appPaths = appPaths;
             _fileSystem = fileSystem;
-            _jsonSerializer = jsonSerializer;
             _xmlSerializer = xmlSerializer;
         }
 
diff --git a/Emby.Server.Implementations/FileOrganization/TvFolderOrganizer.cs b/Emby.Server.Implementations/FileOrganization/TvFolderOrganizer.cs
index 2850c3a610..b035fdcfd5 100644
--- a/Emby.Server.Implementations/FileOrganization/TvFolderOrganizer.cs
+++ b/Emby.Server.Implementations/FileOrganization/TvFolderOrganizer.cs
@@ -151,8 +151,7 @@ namespace Emby.Server.Implementations.FileOrganization
         /// <param name="extensions">The extensions.</param>
         private void DeleteLeftOverFiles(string path, IEnumerable<string> extensions)
         {
-            var eligibleFiles = _fileSystem.GetFiles(path, true)
-                .Where(i => extensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase))
+            var eligibleFiles = _fileSystem.GetFiles(path, extensions.ToArray(), false, true)
                 .ToList();
 
             foreach (var file in eligibleFiles)
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 026486efc8..17e6786153 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -448,7 +448,7 @@ namespace Emby.Server.Implementations.Library
 
                 if (parent != null)
                 {
-                    await parent.ValidateChildren(new Progress<double>(), CancellationToken.None, new MetadataRefreshOptions(_fileSystem), false) .ConfigureAwait(false);
+                    await parent.ValidateChildren(new Progress<double>(), CancellationToken.None, new MetadataRefreshOptions(_fileSystem), false).ConfigureAwait(false);
                 }
             }
             else if (parent != null)
@@ -941,7 +941,7 @@ namespace Emby.Server.Implementations.Library
             return CreateItemByName<MusicArtist>(MusicArtist.GetPath, name);
         }
 
-        private T CreateItemByName<T>(Func<string,string> getPathFn, string name)
+        private T CreateItemByName<T>(Func<string, string> getPathFn, string name)
             where T : BaseItem, new()
         {
             if (typeof(T) == typeof(MusicArtist))
@@ -1255,8 +1255,7 @@ namespace Emby.Server.Implementations.Library
 
         private string GetCollectionType(string path)
         {
-            return _fileSystem.GetFiles(path, false)
-                .Where(i => string.Equals(i.Extension, ".collection", StringComparison.OrdinalIgnoreCase))
+            return _fileSystem.GetFiles(path, new[] { ".collection" }, true, false)
                 .Select(i => _fileSystem.GetFileNameWithoutExtension(i))
                 .FirstOrDefault();
         }
@@ -2474,29 +2473,36 @@ namespace Emby.Server.Implementations.Library
             return GetNamingOptions(new LibraryOptions());
         }
 
+        private NamingOptions _namingOptions;
+        private string[] _videoFileExtensions;
         public NamingOptions GetNamingOptions(LibraryOptions libraryOptions)
         {
-            var options = new ExtendedNamingOptions();
+            if (_namingOptions == null)
+            {
+                var options = new ExtendedNamingOptions();
 
-            // These cause apps to have problems
-            options.AudioFileExtensions.Remove(".m3u");
-            options.AudioFileExtensions.Remove(".wpl");
+                // These cause apps to have problems
+                options.AudioFileExtensions.Remove(".m3u");
+                options.AudioFileExtensions.Remove(".wpl");
 
-            if (!libraryOptions.EnableArchiveMediaFiles)
-            {
-                options.AudioFileExtensions.Remove(".rar");
-                options.AudioFileExtensions.Remove(".zip");
-            }
+                //if (!libraryOptions.EnableArchiveMediaFiles)
+                {
+                    options.AudioFileExtensions.Remove(".rar");
+                    options.AudioFileExtensions.Remove(".zip");
+                }
 
-            if (!libraryOptions.EnableArchiveMediaFiles)
-            {
-                options.VideoFileExtensions.Remove(".rar");
-                options.VideoFileExtensions.Remove(".zip");
-            }
+                //if (!libraryOptions.EnableArchiveMediaFiles)
+                {
+                    options.VideoFileExtensions.Remove(".rar");
+                    options.VideoFileExtensions.Remove(".zip");
+                }
 
-            options.VideoFileExtensions.Add(".tp");
+                options.VideoFileExtensions.Add(".tp");
+                _namingOptions = options;
+                _videoFileExtensions = _namingOptions.VideoFileExtensions.ToArray();
+            }
 
-            return options;
+            return _namingOptions;
         }
 
         public ItemLookupInfo ParseName(string name)
@@ -2515,12 +2521,14 @@ namespace Emby.Server.Implementations.Library
 
         public IEnumerable<Video> FindTrailers(BaseItem owner, List<FileSystemMetadata> fileSystemChildren, IDirectoryService directoryService)
         {
+            var namingOptions = GetNamingOptions();
+
             var files = owner.DetectIsInMixedFolder() ? new List<FileSystemMetadata>() : fileSystemChildren.Where(i => i.IsDirectory)
                 .Where(i => string.Equals(i.Name, BaseItem.TrailerFolderName, StringComparison.OrdinalIgnoreCase))
-                .SelectMany(i => _fileSystem.GetFiles(i.FullName, false))
+                .SelectMany(i => _fileSystem.GetFiles(i.FullName, _videoFileExtensions, false, false))
                 .ToList();
 
-            var videoListResolver = new VideoListResolver(GetNamingOptions(), new NullLogger());
+            var videoListResolver = new VideoListResolver(namingOptions, new NullLogger());
 
             var videos = videoListResolver.Resolve(fileSystemChildren);
 
@@ -2561,12 +2569,14 @@ namespace Emby.Server.Implementations.Library
 
         public IEnumerable<Video> FindExtras(BaseItem owner, List<FileSystemMetadata> fileSystemChildren, IDirectoryService directoryService)
         {
+            var namingOptions = GetNamingOptions();
+
             var files = fileSystemChildren.Where(i => i.IsDirectory)
                 .Where(i => ExtrasSubfolderNames.Contains(i.Name ?? string.Empty, StringComparer.OrdinalIgnoreCase))
-                .SelectMany(i => _fileSystem.GetFiles(i.FullName, false))
+                .SelectMany(i => _fileSystem.GetFiles(i.FullName, _videoFileExtensions, false, false))
                 .ToList();
 
-            var videoListResolver = new VideoListResolver(GetNamingOptions(), new NullLogger());
+            var videoListResolver = new VideoListResolver(namingOptions, new NullLogger());
 
             var videos = videoListResolver.Resolve(fileSystemChildren);
 
diff --git a/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs b/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
index 384ed8dacd..9a5d6b105d 100644
--- a/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
@@ -276,7 +276,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
                 return false;
             }
 
-            return directoryService.GetFiles(fullPath).Any(i => string.Equals(i.Extension, ".vob", StringComparison.OrdinalIgnoreCase));
+            return directoryService.GetFilePaths(fullPath).Any(i => string.Equals(Path.GetExtension(i), ".vob", StringComparison.OrdinalIgnoreCase));
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs b/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
index df39e57add..0968e8ea26 100644
--- a/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
@@ -5,10 +5,6 @@ using MediaBrowser.Model.Entities;
 using System;
 using System.IO;
 using System.Linq;
-using MediaBrowser.Common.IO;
-using MediaBrowser.Model.IO;
-using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.IO;
 using MediaBrowser.Model.Configuration;
 
 namespace Emby.Server.Implementations.Library.Resolvers
@@ -45,7 +41,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
                         var filename = Path.GetFileNameWithoutExtension(args.Path);
 
                         // Make sure the image doesn't belong to a video file
-                        if (args.DirectoryService.GetFiles(Path.GetDirectoryName(args.Path)).Any(i => IsOwnedByMedia(args.GetLibraryOptions(), i, filename)))
+                        if (args.DirectoryService.GetFilePaths(Path.GetDirectoryName(args.Path)).Any(i => IsOwnedByMedia(args.GetLibraryOptions(), i, filename)))
                         {
                             return null;
                         }
@@ -61,11 +57,14 @@ namespace Emby.Server.Implementations.Library.Resolvers
             return null;
         }
 
-        private bool IsOwnedByMedia(LibraryOptions libraryOptions, FileSystemMetadata file, string imageFilename)
+        private bool IsOwnedByMedia(LibraryOptions libraryOptions, string file, string imageFilename)
         {
-            if (_libraryManager.IsVideoFile(file.FullName, libraryOptions) && imageFilename.StartsWith(Path.GetFileNameWithoutExtension(file.Name), StringComparison.OrdinalIgnoreCase))
+            if (_libraryManager.IsVideoFile(file, libraryOptions))
             {
-                return true;
+                if (imageFilename.StartsWith(Path.GetFileNameWithoutExtension(file), StringComparison.OrdinalIgnoreCase))
+                {
+                    return true;
+                }
             }
 
             return false;
diff --git a/MediaBrowser.Api/Images/ImageByNameService.cs b/MediaBrowser.Api/Images/ImageByNameService.cs
index 189e0f84b8..c4cfd7307a 100644
--- a/MediaBrowser.Api/Images/ImageByNameService.cs
+++ b/MediaBrowser.Api/Images/ImageByNameService.cs
@@ -135,8 +135,7 @@ namespace MediaBrowser.Api.Images
         {
             try
             {
-				return _fileSystem.GetFiles(path, true)
-                    .Where(i => BaseItem.SupportedImageExtensions.Contains(i.Extension, StringComparer.Ordinal))
+				return _fileSystem.GetFiles(path, BaseItem.SupportedImageExtensions, false, true)
                     .Select(i => new ImageByNameInfo
                     {
                         Name = _fileSystem.GetFileNameWithoutExtension(i),
diff --git a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
index f77a66f8e0..5eea7598b2 100644
--- a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
+++ b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
@@ -345,34 +345,34 @@ namespace MediaBrowser.Api.Playback.Hls
 
             if (file != null)
             {
-                DeleteFile(file, retryCount);
+                DeleteFile(file.FullName, retryCount);
             }
         }
 
-        private void DeleteFile(FileSystemMetadata file, int retryCount)
+        private void DeleteFile(string path, int retryCount)
         {
             if (retryCount >= 5)
             {
                 return;
             }
 
-            Logger.Debug("Deleting partial HLS file {0}", file.FullName);
+            Logger.Debug("Deleting partial HLS file {0}", path);
 
             try
             {
-                FileSystem.DeleteFile(file.FullName);
+                FileSystem.DeleteFile(path);
             }
             catch (IOException ex)
             {
-                Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, file.FullName);
+                Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, path);
 
                 var task = Task.Delay(100);
                 Task.WaitAll(task);
-                DeleteFile(file, retryCount + 1);
+                DeleteFile(path, retryCount + 1);
             }
             catch (Exception ex)
             {
-                Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, file.FullName);
+                Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, path);
             }
         }
 
@@ -384,8 +384,8 @@ namespace MediaBrowser.Api.Playback.Hls
 
             try
             {
-                return fileSystem.GetFiles(folder)
-                    .Where(i => string.Equals(i.Extension, segmentExtension, StringComparison.OrdinalIgnoreCase) && Path.GetFileNameWithoutExtension(i.Name).StartsWith(filePrefix, StringComparison.OrdinalIgnoreCase))
+                return fileSystem.GetFiles(folder, new[] { segmentExtension }, true, false)
+                    .Where(i => Path.GetFileNameWithoutExtension(i.Name).StartsWith(filePrefix, StringComparison.OrdinalIgnoreCase))
                     .OrderByDescending(fileSystem.GetLastWriteTimeUtc)
                     .FirstOrDefault();
             }
diff --git a/MediaBrowser.Api/StartupWizardService.cs b/MediaBrowser.Api/StartupWizardService.cs
index b0f52dd85f..5a1074b7b7 100644
--- a/MediaBrowser.Api/StartupWizardService.cs
+++ b/MediaBrowser.Api/StartupWizardService.cs
@@ -94,7 +94,6 @@ namespace MediaBrowser.Api
         {
             config.EnableStandaloneMusicKeys = true;
             config.EnableCaseSensitiveItemIds = true;
-            config.EnableFolderView = true;
             config.SkipDeserializationForBasicTypes = true;
             config.SkipDeserializationForPrograms = true;
             config.SkipDeserializationForAudio = true;
diff --git a/MediaBrowser.Api/System/SystemService.cs b/MediaBrowser.Api/System/SystemService.cs
index bdae670e15..913b230627 100644
--- a/MediaBrowser.Api/System/SystemService.cs
+++ b/MediaBrowser.Api/System/SystemService.cs
@@ -122,8 +122,7 @@ namespace MediaBrowser.Api.System
 
             try
             {
-                files = _fileSystem.GetFiles(_appPaths.LogDirectoryPath)
-                    .Where(i => string.Equals(i.Extension, ".txt", StringComparison.OrdinalIgnoreCase))
+                files = _fileSystem.GetFiles(_appPaths.LogDirectoryPath, new[] { ".txt" }, true, false)
                     .ToList();
             }
             catch (IOException)
diff --git a/MediaBrowser.Controller/Entities/AggregateFolder.cs b/MediaBrowser.Controller/Entities/AggregateFolder.cs
index a6b9d860a0..a1de23c930 100644
--- a/MediaBrowser.Controller/Entities/AggregateFolder.cs
+++ b/MediaBrowser.Controller/Entities/AggregateFolder.cs
@@ -27,6 +27,7 @@ namespace MediaBrowser.Controller.Entities
         /// <summary>
         /// We don't support manual shortcuts
         /// </summary>
+        [IgnoreDataMember]
         protected override bool SupportsShortcutChildren
         {
             get
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 52e150aa4c..c8ea4c506f 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -1926,8 +1926,7 @@ namespace MediaBrowser.Controller.Entities
                 .Where(i => i.IsLocalFile)
                 .Select(i => System.IO.Path.GetDirectoryName(i.Path))
                 .Distinct(StringComparer.OrdinalIgnoreCase)
-                .SelectMany(directoryService.GetFiles)
-                .Select(i => i.FullName)
+                .SelectMany(directoryService.GetFilePaths)
                 .ToList();
 
             var deletedImages = ImageInfos
@@ -2100,8 +2099,8 @@ namespace MediaBrowser.Controller.Entities
             var extensions = new[] { ".nfo", ".xml", ".srt" }.ToList();
             extensions.AddRange(SupportedImageExtensionsList);
 
-            return FileSystem.GetFiles(System.IO.Path.GetDirectoryName(Path))
-                .Where(i => extensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase) && System.IO.Path.GetFileNameWithoutExtension(i.FullName).StartsWith(filename, StringComparison.OrdinalIgnoreCase))
+            return FileSystem.GetFiles(System.IO.Path.GetDirectoryName(Path), extensions.ToArray(), false, false)
+                .Where(i => System.IO.Path.GetFileNameWithoutExtension(i.FullName).StartsWith(filename, StringComparison.OrdinalIgnoreCase))
                 .ToList();
         }
 
diff --git a/MediaBrowser.Controller/Providers/DirectoryService.cs b/MediaBrowser.Controller/Providers/DirectoryService.cs
index 01218c293a..40093df3af 100644
--- a/MediaBrowser.Controller/Providers/DirectoryService.cs
+++ b/MediaBrowser.Controller/Providers/DirectoryService.cs
@@ -103,6 +103,16 @@ namespace MediaBrowser.Controller.Providers
             return GetFileSystemEntries(path, clearCache).Where(i => !i.IsDirectory);
         }
 
+        public IEnumerable<string> GetFilePaths(string path)
+        {
+            return _fileSystem.GetFilePaths(path);
+        }
+
+        public IEnumerable<string> GetFilePaths(string path, bool clearCache)
+        {
+            return _fileSystem.GetFilePaths(path);
+        }
+
         public FileSystemMetadata GetFile(string path)
         {
             FileSystemMetadata file;
diff --git a/MediaBrowser.Controller/Providers/IDirectoryService.cs b/MediaBrowser.Controller/Providers/IDirectoryService.cs
index 54ae7e12be..f78d9cd6a6 100644
--- a/MediaBrowser.Controller/Providers/IDirectoryService.cs
+++ b/MediaBrowser.Controller/Providers/IDirectoryService.cs
@@ -8,9 +8,10 @@ namespace MediaBrowser.Controller.Providers
     public interface IDirectoryService
     {
         IEnumerable<FileSystemMetadata> GetFileSystemEntries(string path);
-        IEnumerable<FileSystemMetadata> GetFiles(string path);
         IEnumerable<FileSystemMetadata> GetDirectories(string path);
-        IEnumerable<FileSystemMetadata> GetFiles(string path, bool clearCache);
+        IEnumerable<FileSystemMetadata> GetFiles(string path);
+        IEnumerable<string> GetFilePaths(string path);
+        IEnumerable<string> GetFilePaths(string path, bool clearCache);
         FileSystemMetadata GetFile(string path);
         Dictionary<string, FileSystemMetadata> GetFileSystemDictionary(string path);
     }
diff --git a/MediaBrowser.LocalMetadata/Images/CollectionFolderImageProvider.cs b/MediaBrowser.LocalMetadata/Images/CollectionFolderImageProvider.cs
index 651273eb08..d393b98d99 100644
--- a/MediaBrowser.LocalMetadata/Images/CollectionFolderImageProvider.cs
+++ b/MediaBrowser.LocalMetadata/Images/CollectionFolderImageProvider.cs
@@ -39,7 +39,7 @@ namespace MediaBrowser.LocalMetadata.Images
         {
             var collectionFolder = (CollectionFolder)item;
 
-            return new LocalImageProvider(_fileSystem).GetImages(item, collectionFolder.PhysicalLocations, directoryService);
+            return new LocalImageProvider(_fileSystem).GetImages(item, collectionFolder.PhysicalLocations, true, directoryService);
         }
     }
 }
diff --git a/MediaBrowser.LocalMetadata/Images/EpisodeLocalImageProvider.cs b/MediaBrowser.LocalMetadata/Images/EpisodeLocalImageProvider.cs
index e023268388..e005ad2247 100644
--- a/MediaBrowser.LocalMetadata/Images/EpisodeLocalImageProvider.cs
+++ b/MediaBrowser.LocalMetadata/Images/EpisodeLocalImageProvider.cs
@@ -56,7 +56,8 @@ namespace MediaBrowser.LocalMetadata.Images
 
             if (parentPathFiles.Any(i => string.Equals(i.FullName, metadataPath, StringComparison.OrdinalIgnoreCase)))
             {
-                return GetFilesFromParentFolder(nameWithoutExtension, directoryService.GetFiles(metadataPath));
+                var filesInMetadataFolder = _fileSystem.GetFiles(metadataPath, BaseItem.SupportedImageExtensions, false, false);
+                return GetFilesFromParentFolder(nameWithoutExtension, filesInMetadataFolder);
             }
 
             return new List<LocalImageInfo>();
diff --git a/MediaBrowser.LocalMetadata/Images/ImagesByNameImageProvider.cs b/MediaBrowser.LocalMetadata/Images/ImagesByNameImageProvider.cs
index 8a6dde6c4a..7e3a056838 100644
--- a/MediaBrowser.LocalMetadata/Images/ImagesByNameImageProvider.cs
+++ b/MediaBrowser.LocalMetadata/Images/ImagesByNameImageProvider.cs
@@ -47,7 +47,7 @@ namespace MediaBrowser.LocalMetadata.Images
 
             try
             {
-                return new LocalImageProvider(_fileSystem).GetImages(item, path, directoryService);
+                return new LocalImageProvider(_fileSystem).GetImages(item, path, false, directoryService);
             }
             catch (IOException)
             {
diff --git a/MediaBrowser.LocalMetadata/Images/InternalMetadataFolderImageProvider.cs b/MediaBrowser.LocalMetadata/Images/InternalMetadataFolderImageProvider.cs
index b29182d96a..8003803eab 100644
--- a/MediaBrowser.LocalMetadata/Images/InternalMetadataFolderImageProvider.cs
+++ b/MediaBrowser.LocalMetadata/Images/InternalMetadataFolderImageProvider.cs
@@ -67,7 +67,7 @@ namespace MediaBrowser.LocalMetadata.Images
 
             try
             {
-                return new LocalImageProvider(_fileSystem).GetImages(item, path, directoryService);
+                return new LocalImageProvider(_fileSystem).GetImages(item, path, false, directoryService);
             }
             catch (IOException)
             {
diff --git a/MediaBrowser.LocalMetadata/Images/LocalImageProvider.cs b/MediaBrowser.LocalMetadata/Images/LocalImageProvider.cs
index c986e20058..8ae20f6047 100644
--- a/MediaBrowser.LocalMetadata/Images/LocalImageProvider.cs
+++ b/MediaBrowser.LocalMetadata/Images/LocalImageProvider.cs
@@ -96,27 +96,37 @@ namespace MediaBrowser.LocalMetadata.Images
             return list;
         }
 
-        public List<LocalImageInfo> GetImages(IHasImages item, string path, IDirectoryService directoryService)
+        public List<LocalImageInfo> GetImages(IHasImages item, string path, bool isPathInMediaFolder, IDirectoryService directoryService)
         {
-            return GetImages(item, new[] { path }, directoryService);
+            return GetImages(item, new[] { path }, isPathInMediaFolder, directoryService);
         }
 
-        public List<LocalImageInfo> GetImages(IHasImages item, IEnumerable<string> paths, IDirectoryService directoryService)
+        public List<LocalImageInfo> GetImages(IHasImages item, IEnumerable<string> paths, bool arePathsInMediaFolders, IDirectoryService directoryService)
         {
-            var files = paths.SelectMany(directoryService.GetFiles)
-                .Where(i =>
-                {
-                    var ext = i.Extension;
+            IEnumerable<FileSystemMetadata> files;
+
+            if (arePathsInMediaFolders)
+            {
+                files = paths.SelectMany(i => _fileSystem.GetFiles(i, BaseItem.SupportedImageExtensions, true, false));
+            }
+            else
+            {
+                files = paths.SelectMany(directoryService.GetFiles)
+                    .Where(i =>
+                    {
+                        var ext = i.Extension;
+
+                        return !string.IsNullOrEmpty(ext) &&
+                               BaseItem.SupportedImageExtensions.Contains(ext, StringComparer.OrdinalIgnoreCase);
+                    });
+            }
 
-                    return !string.IsNullOrEmpty(ext) &&
-                           BaseItem.SupportedImageExtensions.Contains(ext, StringComparer.OrdinalIgnoreCase);
-                })
-                .OrderBy(i => BaseItem.SupportedImageExtensionsList.IndexOf(i.Extension ?? string.Empty))
-               .ToList();
+            files = files
+                .OrderBy(i => BaseItem.SupportedImageExtensionsList.IndexOf(i.Extension ?? string.Empty));
 
             var list = new List<LocalImageInfo>();
 
-            PopulateImages(item, list, files, false, directoryService);
+            PopulateImages(item, list, files.ToList(), false, directoryService);
 
             return list;
         }
@@ -132,7 +142,7 @@ namespace MediaBrowser.LocalMetadata.Images
                     PopulateSeasonImagesFromSeriesFolder(season, images, directoryService);
                 }
             }
-            
+
             var imagePrefix = item.FileNameWithoutExtension + "-";
             var isInMixedFolder = item.DetectIsInMixedFolder();
 
@@ -188,7 +198,7 @@ namespace MediaBrowser.LocalMetadata.Images
                 names.Insert(0, "folder");
                 names.Insert(0, "poster");
             }
-            
+
             // Support plex/kodi convention
             if (item is Series)
             {
@@ -256,18 +266,7 @@ namespace MediaBrowser.LocalMetadata.Images
 
         private void PopulateBackdropsFromExtraFanart(string path, List<LocalImageInfo> images, IDirectoryService directoryService)
         {
-            var imageFiles = directoryService.GetFiles(path)
-                .Where(i =>
-                {
-                    var extension = i.Extension;
-
-                    if (string.IsNullOrEmpty(extension))
-                    {
-                        return false;
-                    }
-
-                    return BaseItem.SupportedImageExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase);
-                });
+            var imageFiles = _fileSystem.GetFiles(path, BaseItem.SupportedImageExtensions, false, false);
 
             images.AddRange(imageFiles.Select(i => new LocalImageInfo
             {
diff --git a/MediaBrowser.Model/Configuration/ServerConfiguration.cs b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
index 0562d0ac5a..9d795cfab3 100644
--- a/MediaBrowser.Model/Configuration/ServerConfiguration.cs
+++ b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
@@ -223,7 +223,6 @@ namespace MediaBrowser.Model.Configuration
             EnableAnonymousUsageReporting = true;
 
             EnableAutomaticRestart = true;
-            EnableFolderView = true;
 
             EnableUPnP = true;
             SharingExpirationDays = 30;
diff --git a/MediaBrowser.Model/IO/IFileSystem.cs b/MediaBrowser.Model/IO/IFileSystem.cs
index f90119cf3a..180d2f227a 100644
--- a/MediaBrowser.Model/IO/IFileSystem.cs
+++ b/MediaBrowser.Model/IO/IFileSystem.cs
@@ -191,11 +191,10 @@ namespace MediaBrowser.Model.IO
         /// <summary>
         /// Gets the files.
         /// </summary>
-        /// <param name="path">The path.</param>
-        /// <param name="recursive">if set to <c>true</c> [recursive].</param>
-        /// <returns>IEnumerable&lt;FileInfo&gt;.</returns>
         IEnumerable<FileSystemMetadata> GetFiles(string path, bool recursive = false);
 
+        IEnumerable<FileSystemMetadata> GetFiles(string path, string [] extensions, bool enableCaseSensitiveExtensions, bool recursive);
+
         /// <summary>
         /// Gets the file system entries.
         /// </summary>
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs b/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
index 15f9853ec8..17e48a835b 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
@@ -199,7 +199,6 @@ namespace MediaBrowser.Providers.MediaInfo
                 {
                     return !video.SubtitleFiles
                         .SequenceEqual(SubtitleResolver.GetSubtitleFiles(video, directoryService, _fileSystem, false)
-                        .Select(i => i.FullName)
                         .OrderBy(i => i), StringComparer.OrdinalIgnoreCase);
                 }
             }
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
index bc68b8c98a..0aaa56babf 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
+++ b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
@@ -662,8 +662,7 @@ namespace MediaBrowser.Providers.MediaInfo
 
             // Try to eliminate menus and intros by skipping all files at the front of the list that are less than the minimum size
             // Once we reach a file that is at least the minimum, return all subsequent ones
-            var allVobs = _fileSystem.GetFiles(root, true)
-                .Where(file => string.Equals(file.Extension, ".vob", StringComparison.OrdinalIgnoreCase))
+            var allVobs = _fileSystem.GetFiles(root, new[] { ".vob" }, false, true)
                 .OrderBy(i => i.FullName)
                 .ToList();
 
diff --git a/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs b/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs
index f39786669a..dfa705126a 100644
--- a/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs
+++ b/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs
@@ -6,8 +6,6 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using MediaBrowser.Common.IO;
-using MediaBrowser.Controller.IO;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Globalization;
 
@@ -36,11 +34,9 @@ namespace MediaBrowser.Providers.MediaInfo
             var videoFileNameWithoutExtension = _fileSystem.GetFileNameWithoutExtension(video.Path);
             videoFileNameWithoutExtension = NormalizeFilenameForSubtitleComparison(videoFileNameWithoutExtension);
 
-            foreach (var file in files)
+            foreach (var fullName in files)
             {
-                var fullName = file.FullName;
-
-                var fileNameWithoutExtension = _fileSystem.GetFileNameWithoutExtension(file);
+                var fileNameWithoutExtension = _fileSystem.GetFileNameWithoutExtension(fullName);
                 fileNameWithoutExtension = NormalizeFilenameForSubtitleComparison(fileNameWithoutExtension);
 
                 var codec = Path.GetExtension(fullName).ToLower().TrimStart('.');
@@ -128,7 +124,7 @@ namespace MediaBrowser.Providers.MediaInfo
             }
         }
 
-        public static IEnumerable<FileSystemMetadata> GetSubtitleFiles(Video video, IDirectoryService directoryService, IFileSystem fileSystem, bool clearCache)
+        public static IEnumerable<string> GetSubtitleFiles(Video video, IDirectoryService directoryService, IFileSystem fileSystem, bool clearCache)
         {
             var containingPath = video.ContainingFolderPath;
 
@@ -137,14 +133,15 @@ namespace MediaBrowser.Providers.MediaInfo
                 throw new ArgumentException(string.Format("Cannot search for items that don't have a path: {0} {1}", video.Name, video.Id));
             }
 
-            var files = directoryService.GetFiles(containingPath, clearCache);
+            var files = directoryService.GetFilePaths(containingPath, clearCache);
 
             var videoFileNameWithoutExtension = fileSystem.GetFileNameWithoutExtension(video.Path);
 
             return files.Where(i =>
             {
-                if (!i.IsDirectory &&
-                    SubtitleExtensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase))
+                var extension = Path.GetExtension(i);
+
+                if (SubtitleExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
                 {
                     var fileNameWithoutExtension = fileSystem.GetFileNameWithoutExtension(i);
 
diff --git a/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs b/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs
index c340d03f5c..af37c7632e 100644
--- a/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs
+++ b/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs
@@ -436,7 +436,7 @@ namespace MediaBrowser.Providers.TV
         {
             try
             {
-                var files = _fileSystem.GetFiles(seriesDataPath)
+                var files = _fileSystem.GetFiles(seriesDataPath, new[] { ".xml" }, true, false)
                     .ToList();
 
                 var seriesXmlFilename = preferredMetadataLanguage + ".xml";