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Exception during preview: An internal error occurred in the synchronization runtime

    Question

  • to whom it may concern,

    i am getting the following error:

    Exception during preview: An internal error occurred in the synchronization runtime.

    and at the end the following is logged:

    SYNC: 03/20/2014 18:31:39:962: Scanning Complete : 109565 Files Found, 14475 Directories Found, 252341312300 Total File Size
    SYNC: 03/20/2014 18:31:39:962: Stopped scanning directory : F:\FolderRedirection-external-bkup1\
    SYNC: 03/20/2014 18:31:52:899: *** Exception during preview: {0} : 
     Microsoft.Synchronization.SyncRuntimeInternalErrorException: An internal error occurred in the synchronization runtime.
     ---> System.Runtime.InteropServices.COMException (0x8004101D): The FileSyncProvider received an unexpected error while applying a synchronized change. Creating new file   
       at Microsoft.Synchronization.CoreInterop.ISyncSession.Start(CONFLICT_RESOLUTION_POLICY resolutionPolicy, _SYNC_SESSION_STATISTICS& pSyncSessionStatistics)
       at Microsoft.Synchronization.KnowledgeSyncOrchestrator.DoOneWaySyncHelper(SyncIdFormatGroup sourceIdFormats, SyncIdFormatGroup destinationIdFormats, KnowledgeSyncProviderConfiguration destinationConfiguration, SyncCallbacks DestinationCallbacks, ISyncProvider sourceProxy, ISyncProvider destinationProxy, ChangeDataAdapter callbackChangeDataAdapter, SyncDataConverter conflictDataConverter, Int32& changesApplied, Int32& changesFailed)
       --- End of inner exception stack trace ---
       at Microsoft.Synchronization.KnowledgeSyncOrchestrator.DoOneWaySyncHelper(SyncIdFormatGroup sourceIdFormats, SyncIdFormatGroup destinationIdFormats, KnowledgeSyncProviderConfiguration destinationConfiguration, SyncCallbacks DestinationCallbacks, ISyncProvider sourceProxy, ISyncProvider destinationProxy, ChangeDataAdapter callbackChangeDataAdapter, SyncDataConverter conflictDataConverter, Int32& changesApplied, Int32& changesFailed)
       at Microsoft.Synchronization.KnowledgeSyncOrchestrator.DoOneWayKnowledgeSync(SyncDataConverter sourceConverter, SyncDataConverter destinationConverter, SyncProvider sourceProvider, SyncProvider destinationProvider, Int32& changesApplied, Int32& changesFailed)
       at Microsoft.Synchronization.KnowledgeSyncOrchestrator.Synchronize()
       at Microsoft.Synchronization.SyncOrchestrator.Synchronize()
       at SyncToy.SyncEngine.CreateAndStartSession(FileSyncProvider destinationProvider, FileSyncProvider sourceProvider)
       at SyncToy.SyncEngine.RunSyncSessionsForChosenSyncType(FileSyncProvider leftProvider, FileSyncProvider rightProvider, SyncMode syncMode)
       at SyncToy.SyncEngine.Run(Boolean previewMode)
       at SyncToyUI.PreviewDialog.PreviewOnePair(SyncEngine she)
    SYNC: 03/20/2014 18:31:52:915: *** Exception during preview: An internal error occurred in the synchronization runtime.

    Please advice how to solve the above issue. i am suspecting too many sub-folders are causing the above issue, solution?

    Thursday, March 20, 2014 3:09 PM