diff --git a/MediaBrowser.Controller/Session/ISessionManager.cs b/MediaBrowser.Controller/Session/ISessionManager.cs
index e63fc60e1a..3871952450 100644
--- a/MediaBrowser.Controller/Session/ISessionManager.cs
+++ b/MediaBrowser.Controller/Session/ISessionManager.cs
@@ -185,12 +185,8 @@ namespace MediaBrowser.Controller.Session
         /// Sends the message to user sessions.
         /// </summary>
         /// <typeparam name="T"></typeparam>
-        /// <param name="userId">The user identifier.</param>
-        /// <param name="name">The name.</param>
-        /// <param name="data">The data.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task.</returns>
-        Task SendMessageToUserSessions<T>(string userId, string name, T data, CancellationToken cancellationToken);
+        Task SendMessageToUserSessions<T>(List<string> userIds, string name, T data, CancellationToken cancellationToken);
 
         /// <summary>
         /// Sends the message to user device sessions.
diff --git a/MediaBrowser.Server.Implementations/EntryPoints/RecordingNotifier.cs b/MediaBrowser.Server.Implementations/EntryPoints/RecordingNotifier.cs
index 620eea774e..414fda400b 100644
--- a/MediaBrowser.Server.Implementations/EntryPoints/RecordingNotifier.cs
+++ b/MediaBrowser.Server.Implementations/EntryPoints/RecordingNotifier.cs
@@ -54,18 +54,15 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
 
         private async void SendMessage(string name, TimerEventInfo info)
         {
-            var users = _userManager.Users.Where(i => i.Policy.EnableLiveTvAccess).ToList();
+            var users = _userManager.Users.Where(i => i.Policy.EnableLiveTvAccess).Select(i => i.Id.ToString("N")).ToList();
 
-            foreach (var user in users)
+            try
             {
-                try
-                {
-                    await _sessionManager.SendMessageToUserSessions<TimerEventInfo>(user.Id.ToString("N"), name, info, CancellationToken.None);
-                }
-                catch (Exception ex)
-                {
-                    _logger.ErrorException("Error sending message", ex);
-                }
+                await _sessionManager.SendMessageToUserSessions<TimerEventInfo>(users, name, info, CancellationToken.None);
+            }
+            catch (Exception ex)
+            {
+                _logger.ErrorException("Error sending message", ex);
             }
         }
 
diff --git a/MediaBrowser.Server.Implementations/EntryPoints/ServerEventNotifier.cs b/MediaBrowser.Server.Implementations/EntryPoints/ServerEventNotifier.cs
index b5624625f2..3ea8417f86 100644
--- a/MediaBrowser.Server.Implementations/EntryPoints/ServerEventNotifier.cs
+++ b/MediaBrowser.Server.Implementations/EntryPoints/ServerEventNotifier.cs
@@ -11,6 +11,7 @@ using MediaBrowser.Controller.Sync;
 using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Sync;
 using System;
+using System.Collections.Generic;
 using System.Threading;
 
 namespace MediaBrowser.Server.Implementations.EntryPoints
@@ -164,7 +165,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
 
         private async void SendMessageToUserSession<T>(User user, string name, T data)
         {
-            await _sessionManager.SendMessageToUserSessions(user.Id.ToString("N"), name, data, CancellationToken.None);
+            await _sessionManager.SendMessageToUserSessions(new List<string> { user.Id.ToString("N") }, name, data, CancellationToken.None);
         }
 
         /// <summary>
diff --git a/MediaBrowser.Server.Implementations/Session/SessionManager.cs b/MediaBrowser.Server.Implementations/Session/SessionManager.cs
index 9d07f2169e..b21fcddd41 100644
--- a/MediaBrowser.Server.Implementations/Session/SessionManager.cs
+++ b/MediaBrowser.Server.Implementations/Session/SessionManager.cs
@@ -1871,29 +1871,15 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendMessageToAdminSessions<T>(string name, T data, CancellationToken cancellationToken)
         {
-            // TODO: How to identify admin sessions?
-            var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null).ToList();
+            var adminUserIds = _userManager.Users.Where(i => i.Policy.IsAdministrator).Select(i => i.Id.ToString("N")).ToList();
 
-            var tasks = sessions.Select(session => Task.Run(async () =>
-            {
-                try
-                {
-                    await session.SessionController.SendMessage(name, data, cancellationToken).ConfigureAwait(false);
-                }
-                catch (Exception ex)
-                {
-                    _logger.ErrorException("Error sending message", ex);
-                }
-
-            }, cancellationToken));
-
-            return Task.WhenAll(tasks);
+            return SendMessageToUserSessions(adminUserIds, name, data, cancellationToken);
         }
 
-        public Task SendMessageToUserSessions<T>(string userId, string name, T data,
+        public Task SendMessageToUserSessions<T>(List<string> userIds, string name, T data,
             CancellationToken cancellationToken)
         {
-            var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null && i.ContainsUser(userId)).ToList();
+            var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null && userIds.Any(i.ContainsUser)).ToList();
 
             var tasks = sessions.Select(session => Task.Run(async () =>
             {
diff --git a/MediaBrowser.sln b/MediaBrowser.sln
index 90b318492f..c6068f5364 100644
--- a/MediaBrowser.sln
+++ b/MediaBrowser.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
+VisualStudioVersion = 14.0.24720.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{F0E0E64C-2A6F-4E35-9533-D53AC07C2CD1}"
 EndProject
@@ -65,6 +65,9 @@ EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Emby.Drawing", "Emby.Drawing\Emby.Drawing.csproj", "{08FFF49B-F175-4807-A2B5-73B0EBD9F716}"
 EndProject
 Global
+	GlobalSection(Performance) = preSolution
+		HasPerformanceSessions = true
+	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Debug|Mixed Platforms = Debug|Mixed Platforms