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VSS Writer Troubleshooting

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(Captured from the VSS Writer Fails thread on the File Services and Storage forum)

Question

Any time we try to back up to a local disk, USB disk or external share it fails, upon further investigation it says the VSS writer has failed.

We uninstalled and reinstalled the backup add on but it did not fix the problem. I also checked services and Volume Shadow service is running. We are using Server 2008 Standard 64 bit.

Answers

Thursday, May 15, 2008 12:13 PMChang Yin

Would you please also try if this problem remains when you run "backup once" and exclude the system volume? And would please let me know if you have ever seen any other errors or warnings related to VSS or Writers in the Application event log? Please ensure you have the latest version of Windows Server 2008 (should be RTM edition).

Based on some further research, this error code '2155348129' may be caused by the incorrect Active volume.

Please open the Disk Management console, located at "Server Manager\Storage\Disk Management" and see which partition has been marked as Active volume. If the Active volume is different from the volume in which you install the operating system, try changing the Active volume to the volume containing the operating system by using the following commands:

  1. Open a command prompt as Administrator.

  2. Run diskpart.

  3. At the diskpart> prompt type "list disk" (without quotations), see which disks are listed there

  4. At the diskpart> prompt type "list volume", see which volume is the volume containing operating system

  5. At the diskpart> prompt type "select disk 0" <enter>.

  6. At the diskpart> prompt type "select volume 2" <enter> (I assume the volume 2 is the volume containing operating system).

  7. At the diskpart> prompt type "active" <enter>.

Note that this is just for a test and may lead to unbootable of your computer. Change the Active volume back to the previous one after this test.

Additionally, if you are using any iSCSI drives, disable the teaming NICs and see if it can work.

Best regards,

Chang Yin

Thursday, May 01, 2008 9:50 AM Chang Yin http://i1.social.microsoft.com/Forums/resources/images/trans.gif?cver=363%0d%0ahttp://i1.social.microsoft.com/Forums/resources/images/trans.gif?cver=363%0d%0ahttp://i1.social.microsoft.com/Forums/resources/images/trans.gif?cver=363%0d%0ahttp://i1.social.microsoft.com/Forums/resources/images/trans.gif?cver=363%0d%0a http://i1.social.microsoft.com/Forums/resources/images/trans.gif?cver=363%0d%0a

Did you use Windows Server Backup shipped with Windows Server 2008 to back up your server, or some other third-party backup applications? If you are using some third party applications, please try the built-in Windows Server Backup program to see whether it works.

Have you installed Microsoft Exchange 2007 on the server? If you do, this problem may relate to Microsoft Exchange 2007, and you may need to read the following article:

The Microsoft Exchange Replication Service VSS writer failed:

http://technet.microsoft.com/en-us/library/bb218863(EXCHG.80).aspx

If not, please take a look at the Event Viewer and let me know the exact error messages there. You can do this by clicking Start -> Administrative Tools ->  Event Viewer. Navigate to "Applications and Services Logs\Microsoft\Windows\Backup\Operational", see if any relevant Error exists in the right pane and let me know the exact messages.

Besides, please try the following steps and see if it can work:

  1. Check the VSS writer status with the command "vssadmin list writers" (without the quotation marks). See what the output shows. If there are any writers showing a State of "Failed" and the Last error stating "Retryable error" or "Non-Retryable Error", please let me know.

  2. If the Last error states "Retryable error", then reboot the server and retry the backup operation, see how it goes.

Best regards,

Chang Yin

See Also