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System Writer is missing from Windows Server 2008

I have four WIndows Servers 2008. Two are Enterprise version and two are Standard. Enterprise Ed servers running Failover cluster with SQL 2008 instance on both of them. Another two Standard Ed server will run NLB and Sharepoint.

Enterprise Ed servers missing System Writer, which causes Symantec Backup Exec not being able to back them up. I get event 513 - CAPI 2 in the event viewer.

How can I solve this problem? I followed online recomendation for checking permissions on Registration folder under Windows. Everything checks out.

Thanks,

Syed Mutahir Ali

Do you mean the VSS writer ?
Have you checked in services.msc whether Microsoft shadow copy provider and volume shadow services are listed ?
If it is listed you can re-register it :
To re register vss dlls :

1. Open a command prompt and change directories to \WINDOWS\system32
2. net stop vss
3. regsvr32 ole32.dll
4. regsvr32 vss_ps.dll
5. Vssvc /Register
6. regsvr32 /i swprv.dll
7. regsvr32 /i eventcls.dll
8. regsvr32 es.dll
9. regsvr32 stdprov.dll
10. regsvr32 vssui.dll
11. regsvr32 msxml.dll
12. regsvr32 msxml3.dll
13. regsvr32 msxml4.dll
14. Start the Volume Shadow Copy service by running "net start vss"

then, run 'vssadmin list writers' . If any of the results have a status of 'failed,' then you may need to restart the server for the DLL registration to take effect.
Also check the following microsoft support link :
http://support.microsoft.com/kb/971394
Even though they mention Hyper-V but if you don't see the two services then you would have to install / add them
Also check the event ids in the article n doubl check with yours

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Syed Mutahir Ali

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