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WindowsFehler Meldung
VSS_E_FLUSH_WRITES_TIMEOUTVolume Shadow Copy Error 0x80042313 - flush writes timeout
Ursache
The 6.11.0.0 and higher software is completely depended on the VSS to make the backup of the Exchange 2010 instead of the temp folder used in older versions.This particular VSS error is caused due to high disk activity.
High disk activity does not allow VSS to create a shadow copy in the default time period when a snapshot is being performed.
Lösung
Perform the backups when the disk activity is less or rather put the computer in clean boot state and then perform the system restore to avoid third party applications meddling around.Clean boot: http://support.microsoft.com/kb/929135