diff --git a/MediaBrowser.Common.Implementations/BaseApplicationHost.cs b/MediaBrowser.Common.Implementations/BaseApplicationHost.cs
index 2a93efcde..caf8f54a6 100644
--- a/MediaBrowser.Common.Implementations/BaseApplicationHost.cs
+++ b/MediaBrowser.Common.Implementations/BaseApplicationHost.cs
@@ -453,7 +453,7 @@ namespace MediaBrowser.Common.Implementations
 
 			RegisterSingleInstance<IApplicationPaths>(ApplicationPaths);
 
-			TaskManager = new TaskManager(ApplicationPaths, JsonSerializer, Logger, FileSystemManager);
+			TaskManager = new TaskManager(ApplicationPaths, JsonSerializer, LogManager.GetLogger("TaskManager"), FileSystemManager);
 
 			RegisterSingleInstance(JsonSerializer);
 			RegisterSingleInstance(XmlSerializer);
@@ -465,7 +465,7 @@ namespace MediaBrowser.Common.Implementations
 
 			RegisterSingleInstance(FileSystemManager);
 
-			HttpClient = new HttpClientManager.HttpClientManager(ApplicationPaths, Logger, FileSystemManager);
+            HttpClient = new HttpClientManager.HttpClientManager(ApplicationPaths, LogManager.GetLogger("HttpClient"), FileSystemManager);
 			RegisterSingleInstance(HttpClient);
 
 			NetworkManager = CreateNetworkManager(LogManager.GetLogger("NetworkManager"));
@@ -474,7 +474,7 @@ namespace MediaBrowser.Common.Implementations
 			SecurityManager = new PluginSecurityManager(this, HttpClient, JsonSerializer, ApplicationPaths, LogManager);
 			RegisterSingleInstance(SecurityManager);
 
-			InstallationManager = new InstallationManager(Logger, this, ApplicationPaths, HttpClient, JsonSerializer, SecurityManager, ConfigurationManager, FileSystemManager);
+            InstallationManager = new InstallationManager(LogManager.GetLogger("InstallationManager"), this, ApplicationPaths, HttpClient, JsonSerializer, SecurityManager, ConfigurationManager, FileSystemManager);
 			RegisterSingleInstance(InstallationManager);
 
 			ZipClient = new ZipClient(FileSystemManager);
diff --git a/MediaBrowser.Common.Implementations/ScheduledTasks/TaskManager.cs b/MediaBrowser.Common.Implementations/ScheduledTasks/TaskManager.cs
index 845c984fb..b5566650c 100644
--- a/MediaBrowser.Common.Implementations/ScheduledTasks/TaskManager.cs
+++ b/MediaBrowser.Common.Implementations/ScheduledTasks/TaskManager.cs
@@ -55,6 +55,25 @@ namespace MediaBrowser.Common.Implementations.ScheduledTasks
         private ILogger Logger { get; set; }
         private readonly IFileSystem _fileSystem;
 
+        private bool _suspendTriggers;
+
+        public bool SuspendTriggers
+        {
+            get { return _suspendTriggers; }
+            set
+            {
+                Logger.Info("Setting SuspendTriggers to {0}", value);
+                var executeQueued = _suspendTriggers && !value;
+
+                _suspendTriggers = value;
+
+                if (executeQueued)
+                {
+                    ExecuteQueuedTasks();
+                }
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="TaskManager" /> class.
         /// </summary>
@@ -151,6 +170,31 @@ namespace MediaBrowser.Common.Implementations.ScheduledTasks
             QueueScheduledTask<T>(new TaskExecutionOptions());
         }
 
+        public void Execute<T>()
+            where T : IScheduledTask
+        {
+            var scheduledTask = ScheduledTasks.FirstOrDefault(t => t.ScheduledTask.GetType() == typeof(T));
+
+            if (scheduledTask == null)
+            {
+                Logger.Error("Unable to find scheduled task of type {0} in Execute.", typeof(T).Name);
+            }
+            else
+            {
+                var type = scheduledTask.ScheduledTask.GetType();
+
+                Logger.Info("Queueing task {0}", type.Name);
+
+                lock (_taskQueue)
+                {
+                    if (scheduledTask.State == TaskState.Idle)
+                    {
+                        Execute(scheduledTask, new TaskExecutionOptions());
+                    }
+                }
+            }
+        }
+
         /// <summary>
         /// Queues the scheduled task.
         /// </summary>
@@ -183,7 +227,7 @@ namespace MediaBrowser.Common.Implementations.ScheduledTasks
 
             lock (_taskQueue)
             {
-                if (task.State == TaskState.Idle)
+                if (task.State == TaskState.Idle && !SuspendTriggers)
                 {
                     Execute(task, options);
                     return;
@@ -273,6 +317,13 @@ namespace MediaBrowser.Common.Implementations.ScheduledTasks
         /// </summary>
         private void ExecuteQueuedTasks()
         {
+            if (SuspendTriggers)
+            {
+                return;
+            }
+
+            Logger.Info("ExecuteQueuedTasks");
+
             // Execute queued tasks
             lock (_taskQueue)
             {
diff --git a/MediaBrowser.Common/ScheduledTasks/ITaskManager.cs b/MediaBrowser.Common/ScheduledTasks/ITaskManager.cs
index 8d271859e..c1dc304f6 100644
--- a/MediaBrowser.Common/ScheduledTasks/ITaskManager.cs
+++ b/MediaBrowser.Common/ScheduledTasks/ITaskManager.cs
@@ -66,7 +66,12 @@ namespace MediaBrowser.Common.ScheduledTasks
         void Cancel(IScheduledTaskWorker task);
         Task Execute(IScheduledTaskWorker task, TaskExecutionOptions options = null);
 
+        void Execute<T>()
+            where T : IScheduledTask;
+        
         event EventHandler<GenericEventArgs<IScheduledTaskWorker>> TaskExecuting;
         event EventHandler<TaskCompletionEventArgs> TaskCompleted;
+
+        bool SuspendTriggers { get; set; }
     }
 }
\ No newline at end of file
diff --git a/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs b/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
index 26de52560..76a6e6d40 100644
--- a/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
@@ -32,7 +32,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         private readonly ILocalizationManager _localization;
         private readonly ITaskManager _taskManager;
 
-        public const int MigrationVersion = 12;
+        public const int MigrationVersion = 17;
         public static bool EnableUnavailableMessage = false;
 
         public CleanDatabaseScheduledTask(ILibraryManager libraryManager, IItemRepository itemRepo, ILogger logger, IServerConfigurationManager config, IFileSystem fileSystem, IHttpServer httpServer, ILocalizationManager localization, ITaskManager taskManager)
@@ -97,12 +97,20 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             await _itemRepo.UpdateInheritedValues(cancellationToken).ConfigureAwait(false);
 
+            if (_config.Configuration.MigrationVersion < MigrationVersion)
+            {
+                _config.Configuration.MigrationVersion = MigrationVersion;
+                _config.SaveConfiguration();
+            }
+
             if (EnableUnavailableMessage)
             {
                 EnableUnavailableMessage = false;
                 _httpServer.GlobalResponse = null;
                 _taskManager.QueueScheduledTask<RefreshMediaLibraryTask>();
             }
+
+            _taskManager.SuspendTriggers = false;
         }
 
         private void OnProgress(double newPercentCommplete)
@@ -164,12 +172,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 progress.Report(percent * 100);
             }
 
-            if (_config.Configuration.MigrationVersion < MigrationVersion)
-            {
-                _config.Configuration.MigrationVersion = MigrationVersion;
-                _config.SaveConfiguration();
-            }
-
             progress.Report(100);
         }
 
diff --git a/MediaBrowser.Server.Startup.Common/ApplicationHost.cs b/MediaBrowser.Server.Startup.Common/ApplicationHost.cs
index f75aeebdd..7f79653af 100644
--- a/MediaBrowser.Server.Startup.Common/ApplicationHost.cs
+++ b/MediaBrowser.Server.Startup.Common/ApplicationHost.cs
@@ -317,6 +317,11 @@ namespace MediaBrowser.Server.Startup.Common
         /// <returns>Task.</returns>
         public override async Task RunStartupTasks()
         {
+            if (ServerConfigurationManager.Configuration.MigrationVersion < CleanDatabaseScheduledTask.MigrationVersion)
+            {
+                TaskManager.SuspendTriggers = true;
+            }
+            
             await base.RunStartupTasks().ConfigureAwait(false);
 
             Logger.Info("ServerId: {0}", SystemId);
diff --git a/MediaBrowser.Server.Startup.Common/Migrations/DbMigration.cs b/MediaBrowser.Server.Startup.Common/Migrations/DbMigration.cs
index 1df49845b..959543893 100644
--- a/MediaBrowser.Server.Startup.Common/Migrations/DbMigration.cs
+++ b/MediaBrowser.Server.Startup.Common/Migrations/DbMigration.cs
@@ -20,13 +20,14 @@ namespace MediaBrowser.Server.Startup.Common.Migrations
         {
             if (_config.Configuration.MigrationVersion < CleanDatabaseScheduledTask.MigrationVersion)
             {
+                _taskManager.SuspendTriggers = true;
                 CleanDatabaseScheduledTask.EnableUnavailableMessage = true;
                 
                 Task.Run(async () =>
                 {
                     await Task.Delay(1000).ConfigureAwait(false);
 
-                    _taskManager.QueueScheduledTask<CleanDatabaseScheduledTask>();
+                    _taskManager.Execute<CleanDatabaseScheduledTask>();
                 });
             }
         }