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"Compacting the virtual hard disk(s)" message

    Question

  • While running windows server backup on a w2k8-r2 server, i noticed the message set to "compacting the virtual hard disk(s)". Is there any info avaialble on this?

    Friday, September 09, 2011 4:22 AM

Answers

  • Hi,

     

    Windows Server Backup stores the backups in a virtual hard drive (VHD).

    Windows Server Backup will perform checks against the VHD and determine if the file needs to be compacted.

    If the file needs to be compacted Windows Server Backup will perform the compaction during a regularly scheduled backup.

    Depending on the size of the VHD file, the compaction may take a really long time sometimes in excess of 10 hours.

    The compaction of the VHD files is normal and should occur infrequently. The backup should complete once the compaction is complete.

     

    For more details, please refer to :

    http://support.microsoft.com/kb/2524602

     

    Best regards,

    Jeff Ren


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    Wednesday, September 14, 2011 2:31 AM
    Moderator