diff --git a/Emby.Common.Implementations/IO/SharpCifsFileSystem.cs b/Emby.Common.Implementations/IO/SharpCifsFileSystem.cs
index 0a407d64f5..283bcdef05 100644
--- a/Emby.Common.Implementations/IO/SharpCifsFileSystem.cs
+++ b/Emby.Common.Implementations/IO/SharpCifsFileSystem.cs
@@ -53,6 +53,11 @@ public string GetDirectoryName(string path)
             if (separator == '/')
             {
                 result = result.Replace('\\', '/');
+
+                if (result.StartsWith("smb:/", StringComparison.OrdinalIgnoreCase) && !result.StartsWith("smb://", StringComparison.OrdinalIgnoreCase))
+                {
+                    result = result.Replace("smb:/", "smb://");
+                }
             }
 
             return result;
diff --git a/Emby.Server.Core/ApplicationHost.cs b/Emby.Server.Core/ApplicationHost.cs
index 6a3881caf8..5ceef0754e 100644
--- a/Emby.Server.Core/ApplicationHost.cs
+++ b/Emby.Server.Core/ApplicationHost.cs
@@ -761,7 +761,10 @@ private ICertificate GetCertificate(CertificateInfo info)
                     return null;
                 }
 
-                X509Certificate2 localCert = new X509Certificate2(certificateLocation, info.Password);
+                // Don't use an empty string password
+                var password = string.IsNullOrWhiteSpace(info.Password) ? null : info.Password;
+
+                X509Certificate2 localCert = new X509Certificate2(certificateLocation, password);
                 //localCert.PrivateKey = PrivateKey.CreateFromFile(pvk_file).RSA;
                 if (!localCert.HasPrivateKey)
                 {
diff --git a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
index 13874223cc..385b4bd518 100644
--- a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
+++ b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
@@ -126,7 +126,7 @@ public void SaveConfiguration()
             Logger.Info("Saving system configuration");
             var path = CommonApplicationPaths.SystemConfigurationFilePath;
 
-            FileSystem.CreateDirectory(Path.GetDirectoryName(path));
+            FileSystem.CreateDirectory(FileSystem.GetDirectoryName(path));
 
             lock (_configurationSyncLock)
             {
@@ -293,7 +293,7 @@ public void SaveConfiguration(string key, object configuration)
             _configurations.AddOrUpdate(key, configuration, (k, v) => configuration);
 
             var path = GetConfigurationFile(key);
-            FileSystem.CreateDirectory(Path.GetDirectoryName(path));
+            FileSystem.CreateDirectory(FileSystem.GetDirectoryName(path));
 
             lock (_configurationSyncLock)
             {
diff --git a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
index ad2f459459..d6a41dd67b 100644
--- a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
+++ b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
@@ -47,7 +47,7 @@ public static object GetXmlConfiguration(Type type, string path, IXmlSerializer
                 // If the file didn't exist before, or if something has changed, re-save
                 if (buffer == null || !buffer.SequenceEqual(newBytes))
                 {
-                    fileSystem.CreateDirectory(Path.GetDirectoryName(path));
+                    fileSystem.CreateDirectory(fileSystem.GetDirectoryName(path));
 
                     // Save it after load in case we got new items
                     fileSystem.WriteAllBytes(path, newBytes);
diff --git a/Emby.Server.Implementations/Devices/DeviceManager.cs b/Emby.Server.Implementations/Devices/DeviceManager.cs
index 588b42a093..b246ef1962 100644
--- a/Emby.Server.Implementations/Devices/DeviceManager.cs
+++ b/Emby.Server.Implementations/Devices/DeviceManager.cs
@@ -158,7 +158,7 @@ public async Task AcceptCameraUpload(string deviceId, Stream stream, LocalFileIn
 
             _libraryMonitor.ReportFileSystemChangeBeginning(path);
 
-            _fileSystem.CreateDirectory(Path.GetDirectoryName(path));
+            _fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(path));
 
             try
             {
diff --git a/Emby.Server.Implementations/Devices/DeviceRepository.cs b/Emby.Server.Implementations/Devices/DeviceRepository.cs
index f739765b34..de0dfda2ed 100644
--- a/Emby.Server.Implementations/Devices/DeviceRepository.cs
+++ b/Emby.Server.Implementations/Devices/DeviceRepository.cs
@@ -46,7 +46,7 @@ private string GetDevicePath(string id)
         public Task SaveDevice(DeviceInfo device)
         {
             var path = Path.Combine(GetDevicePath(device.Id), "device.json");
-            _fileSystem.CreateDirectory(Path.GetDirectoryName(path));
+            _fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(path));
 
             lock (_syncLock)
             {
@@ -180,7 +180,7 @@ public ContentUploadHistory GetCameraUploadHistory(string deviceId)
         public void AddCameraUpload(string deviceId, LocalFileInfo file)
         {
             var path = Path.Combine(GetDevicePath(deviceId), "camerauploads.json");
-            _fileSystem.CreateDirectory(Path.GetDirectoryName(path));
+            _fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(path));
 
             lock (_syncLock)
             {
diff --git a/Emby.Server.Implementations/FFMpeg/FFMpegLoader.cs b/Emby.Server.Implementations/FFMpeg/FFMpegLoader.cs
index 2becebb3d3..3c8ad55fe4 100644
--- a/Emby.Server.Implementations/FFMpeg/FFMpegLoader.cs
+++ b/Emby.Server.Implementations/FFMpeg/FFMpegLoader.cs
@@ -97,7 +97,7 @@ public async Task<FFMpegInfo> GetFFMpegInfo(StartupOptions options, IProgress<do
                 else
                 {
                     info = existingVersion;
-                    versionedDirectoryPath = Path.GetDirectoryName(info.EncoderPath);
+                    versionedDirectoryPath = _fileSystem.GetDirectoryName(info.EncoderPath);
                     excludeFromDeletions.Add(versionedDirectoryPath);
                 }
             }
@@ -135,7 +135,7 @@ private FFMpegInfo GetExistingVersion(FFMpegInfo info, string rootEncoderPath)
                     {
                         EncoderPath = encoder,
                         ProbePath = probe,
-                        Version = Path.GetFileName(Path.GetDirectoryName(probe))
+                        Version = Path.GetFileName(_fileSystem.GetDirectoryName(probe))
                     };
                 }
             }
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 685c794b76..3c94f97842 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -1197,6 +1197,7 @@ private async Task RunPostScanTasks(IProgress<double> progress, CancellationToke
                 catch (OperationCanceledException)
                 {
                     _logger.Info("Post-scan task cancelled: {0}", task.GetType().Name);
+                    throw;
                 }
                 catch (Exception ex)
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs b/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
index 643c5970e1..d4be2dabed 100644
--- a/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
@@ -63,7 +63,7 @@ public async Task Run(IProgress<double> progress, CancellationToken cancellation
                 catch (OperationCanceledException)
                 {
                     // Don't clutter the log
-                    break;
+                    throw;
                 }
                 catch (Exception ex)
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/GameGenresValidator.cs b/Emby.Server.Implementations/Library/Validators/GameGenresValidator.cs
index b1820bb917..f7fbb93318 100644
--- a/Emby.Server.Implementations/Library/Validators/GameGenresValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/GameGenresValidator.cs
@@ -53,7 +53,7 @@ public async Task Run(IProgress<double> progress, CancellationToken cancellation
                 catch (OperationCanceledException)
                 {
                     // Don't clutter the log
-                    break;
+                    throw;
                 }
                 catch (Exception ex)
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/GenresValidator.cs b/Emby.Server.Implementations/Library/Validators/GenresValidator.cs
index d8956f78a1..d71e77a9a7 100644
--- a/Emby.Server.Implementations/Library/Validators/GenresValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/GenresValidator.cs
@@ -54,7 +54,7 @@ public async Task Run(IProgress<double> progress, CancellationToken cancellation
                 catch (OperationCanceledException)
                 {
                     // Don't clutter the log
-                    break;
+                    throw;
                 }
                 catch (Exception ex)
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/MusicGenresValidator.cs b/Emby.Server.Implementations/Library/Validators/MusicGenresValidator.cs
index 983c881b75..98d53c1250 100644
--- a/Emby.Server.Implementations/Library/Validators/MusicGenresValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/MusicGenresValidator.cs
@@ -54,7 +54,7 @@ public async Task Run(IProgress<double> progress, CancellationToken cancellation
                 catch (OperationCanceledException)
                 {
                     // Don't clutter the log
-                    break;
+                    throw;
                 }
                 catch (Exception ex)
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs b/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs
index 6faab7bb9d..97b8ff0ac4 100644
--- a/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs
@@ -53,7 +53,7 @@ public async Task Run(IProgress<double> progress, CancellationToken cancellation
                 catch (OperationCanceledException)
                 {
                     // Don't clutter the log
-                    break;
+                    throw;
                 }
                 catch (Exception ex)
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/YearsPostScanTask.cs b/Emby.Server.Implementations/Library/Validators/YearsPostScanTask.cs
index ae43c77f0a..4afb4c04a7 100644
--- a/Emby.Server.Implementations/Library/Validators/YearsPostScanTask.cs
+++ b/Emby.Server.Implementations/Library/Validators/YearsPostScanTask.cs
@@ -26,6 +26,8 @@ public async Task Run(IProgress<double> progress, CancellationToken cancellation
 
             while (yearNumber < maxYear)
             {
+                cancellationToken.ThrowIfCancellationRequested();
+
                 try
                 {
                     var year = _libraryManager.GetYear(yearNumber);
@@ -35,7 +37,7 @@ public async Task Run(IProgress<double> progress, CancellationToken cancellation
                 catch (OperationCanceledException)
                 {
                     // Don't clutter the log
-                    break;
+                    throw;
                 }
                 catch (Exception ex)
                 {
diff --git a/ThirdParty/emby/Emby.Common.Implementations.dll b/ThirdParty/emby/Emby.Common.Implementations.dll
index 3721a778fd..0a054bb74c 100644
Binary files a/ThirdParty/emby/Emby.Common.Implementations.dll and b/ThirdParty/emby/Emby.Common.Implementations.dll differ
diff --git a/ThirdParty/emby/Emby.Server.Core.dll b/ThirdParty/emby/Emby.Server.Core.dll
index 12d7edf331..74a2f1a441 100644
Binary files a/ThirdParty/emby/Emby.Server.Core.dll and b/ThirdParty/emby/Emby.Server.Core.dll differ