Just to add as well the dmpdownloader.log file shows the follwing entries:
ERROR: Failed to load assembly for message downloader. Exception: System.IO.DirectoryNotFoundException: Could not find a part of the path 'X:\Program%20Files\Microsoft%20Configuration%20Manager\bin\x64\MessageHandlerConfig.xml'.~~ at System.IO.__Error.WinIOError(Int32
errorCode, String maybeFullPath)~~ at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean
bFromProxy, Boolean useLongPath, Boolean checkHost)~~ at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)~~ at System.IO.FileStream..ctor(String
path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize)~~ at System.Xml.XmlUrlResolver.GetEntity(Uri absoluteUri, String role, Type ofObjectToReturn)~~ at System.Xml.XmlTextReaderImpl.OpenUrlDelegate(Object xmlResolver)~~
at System.Threading.CompressedStack.runTryCode(Object userData)~~ at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)~~ at System.Threading.CompressedStack.Run(CompressedStack
compressedStack, ContextCallback callback, Object state)~~ at System.Xml.XmlTextReaderImpl.OpenUrl()~~ at System.Xml.XmlTextReaderImpl.Read()~~ at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)~~
at System.Xml.XmlDocument.Load(XmlReader reader)~~ at System.Xml.XmlDocument.Load(String filename)~~ at Microsoft.ConfigurationManager.DmpConnector.MessageDownload.MessageDownloader.LoadMessageHandlers()
Now according to this release note of sccm 2012 r2 sp1 or sp2 , the error above is a sympton of spaching in the installation path of sccm ?
https://technet.microsoft.com/en-us/library/dn973021.aspx
Your thoughts please?