Backup Fails Due To Volume Shadow Copy Failure

Posted on 2008-11-15
Last Modified: 2013-12-01
hello experts
i am trying to take a backup of h drive to external g drive on windows 2003 server but its not doing it.

please see the attached error report

can someone please advise me here?


Backup StatusOperation: BackupActive backup destination: FileMedia name: "Main Backup.bkf created 16/11/2008 at 01:36"Volume shadow copy creation: Attempt 1.Timeout before function completedError returned while creating the volume shadow copy:0xffffffff.Error returned while creating the volume shadow copy:ffffffffAborting Backup.----------------------The operation did not successfully complete.----------------------

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Question by:learningnet
    LVL 3

    Assisted Solution

    This thread may be of help to you - there is a lot of information there, which is all valid in your case. Could you maybe try some of the steps listed there and post back if you get no joy?

    Author Comment

    Hello H_Harry
    thanks for the link, i will go through it.
    i wonder if you know about semantic backup service on the server? i have noticed that there is another  nightly backup job defined on it. however, if i want to add a new backup job, its not picking any resources i mean i cannot able to browse the folder list..

    please can you advise?
    LVL 3

    Assisted Solution

    does it work ok after a restart?

    ive had inumerable problems with vss failing with this and reregistering the vss service is a generally very good fix.  so much so i have the reregistration as part of my own backup script along with a vss stop and start of the services. doing this befor a backup has proven a great help in reducing the vss errors i was receiving on multiple sbs servers.

    also check if the error happens only when you include the system state in the backup as this indicates a different solution is required.

    Author Comment

    hello scriptaholic,

    thanks for your comment,
    no i did not restarted the server, all i am trying to do is set a backup job. i am also unable to do a manual backup. i dont understand what you mean by vss service registration? please advise.
    LVL 3

    Expert Comment

    vss has a nasty habit of falling over and re registering the dlls fixes it. the only symptom is that it cant obtain a volume shadow copy and the backup falls over instantly.

    the following will re register the vss services and associated files.

    cd %systemroot%\System32
    Net stop vss /y
    Net stop swprv /y
    regsvr32 ole32.dll /s
    regsvr32 vss_ps.dll  /s
    Vssvc /Register
    regsvr32 /i swprv.dll  /s
    regsvr32 /i eventcls.dll  /s
    regsvr32 es.dll  /s
    regsvr32 stdprov.dll  /s
    regsvr32 vssui.dll  /s
    regsvr32 msxml.dll  /s
    regsvr32 msxml3.dll  /s
    regsvr32 msxml4.dll /s

    Author Comment

    hi again,
    thanks for your suggestion, the vss and swprv services were not started earlier so i have used
    net start vss /y command to start the service and then followed the rest of your suggested steps, however the problem remains the same , i am still getting the same error message .....
    please advise
    LVL 8

    Accepted Solution

    Try this

    Right click on the drive, properties and choose shadow copy tab
    Enable the drive and then try doing a backup.

    All the best

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