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SCE fails to truncate log files with error MapiExceptionBackupInProgress ec=1293

Last Updated:

Applies to

SnapCenter Plug-in for Microsoft Exchange Server (SCE)


  • SCE fails to truncate log files with the following error in Windows EventLog.

Microsoft Exchange VSS Writer backup failed. No log files were truncated. Instance <Instance ID>. Database <Database ID>.

  • Windows EventLog also reports the error Event ID: 2140 Source: MSExchangeRepl like below. 


The Microsoft Exchange Replication service VSS Writer encountered an exception in function Microsoft::Exchange::Cluster::ReplicaVssWriter::CReplicaVssWriterInterop::PrepareSnapshot.HResult -2147467259. Exception Microsoft.Mapi.MapiExceptionBackupInProgress: MapiExceptionBackupInProgress: Unable execute Prepare on snapshot. (hr=0x80004005, ec=1293)
Diagnostic context:
    Lid: 1494    ---- Remote Context Beg ----
    Lid: 33832   StoreEc: 0x50D
    Lid: 42621   StoreEc: 0x50D
    Lid: 1750    ---- Remote Context End ----
    Lid: 59216
    Lid: 34640   StoreEc: 0x50D
    Lid: 52264
    Lid: 46120   StoreEc: 0x50D
   at Microsoft.Mapi.MapiExceptionHelper.InternalThrowIfErrorOrWarning(String message, Int32 hresult, Boolean allowWarnings, Int32 ec, DiagnosticContext diagCtx, Exception innerException)
   at Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, IExInterface iUnknown, Exception innerException)
   at Microsoft.Mapi.ExRpcAdmin.ProcessSnapshotOperation(Guid mdbGuid, SnapshotOperationCode operationCode, UInt32 flags)
   at Microsoft.Exchange.Cluster.Replay.StoreRpcController.<>c__DisplayClass1c.b__1b()
   at Microsoft.Exchange.Cluster.Replay.SafeRefCountedTimeoutWrapper.<>c__DisplayClass2.b__0()
   at Microsoft.Exchange.Data.HA.InvokeWithTimeout.Invoke(Action invokableAction, Action foregroundAction, TimeSpan invokeTimeout, Boolean sendWatsonReportNoThrow, Object cancelEvent)
   at Microsoft.Exchange.Cluster.Replay.SafeRefCountedTimeoutWrapper.ProtectedCallWithTimeout(String operationName, TimeSpan timeout, Action operation)
   at Microsoft.Exchange.Cluster.ReplicaVssWriter.CReplicaVssWriterInterop.SnapshotPrepare(Guid dbGuid, UInt32 flags)
   at Microsoft.Exchange.Cluster.ReplicaVssWriter.CReplicaVssWriterInterop.PrepareSnapshot().


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