shadow copy errors sbs 2003 RRS feed

  • Question

  • hi there, 

    we have multiple issues with shadow copy at the moment. the main issue is that nt backup fails because of shadow copy. see below error from job report:

    Backup Status
    Operation: Backup
    Active backup destination: File
    Media name: "Fullbackup1.bkf created 20/02/2013 at 14:43"

    Volume shadow copy creation: Attempt 1.
    Timeout before function completed

    Error returned while creating the volume shadow copy:0xffffffff.

    Error returned while creating the volume shadow copy:ffffffff
    Aborting Backup.


    The operation did not successfully complete.


    and to add to that we have errors in event viewer:

    error id: 8193

    Volume Shadow Copy Service error: Unexpected error calling routine CoCreateInstance.  hr = 0x80040154.


    error id: 20

    Volume Shadow Copy Service error: A critical component required by the Volume Shadow Copy service is not registered.  This might happened if an error occurred during Windows setup or during installation of a Shadow Copy provider.  The error returned from CoCreateInstance on class with CLSID {faf53cc4-bd73-4e36-83f1-2b23f46e513e} and Name VSSEvent is [0x80040154].

    we also dont have values at all when we run vssadmin list writers at elevated command prompt. 

    i have applied multiple hotfixes and re-registered the dlls and nothing has solved the issue. i have removed the system state from the backup job and still an issue. what concerns me is the errors in event log and no data in vssadmin list writers.

    server is windows sbs 2003 sp2 

    any help would be great

    thanks gary


    Wednesday, February 20, 2013 4:56 PM


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