Hello  Mr Rinku

Please check the following out:

===================
WINDOWS 2003 SERVER
===================

Following are the suggested updates for vss and some basic troubleshooting for it:
http://support.microsoft.com/kb/940349

http://support.microsoft.com/kb/934016

http://support.microsoft.com/kb/951568

http://support.microsoft.com/default.aspx?scid=kb;EN-US;967551
http://support.microsoft.com/default.aspx?scid=kb;EN-US;969219

1. net stop vss
1a. CD %systemroot%\system32
2. regsvr32 ole32.dll
3. regsvr32 vss_ps.dll
4. Vssvc /Register
5. regsvr32 /i swprv.dll
6. regsvr32 /i eventcls.dll
7. regsvr32 es.dll
8. regsvr32 stdprov.dll
9. regsvr32 vssui.dll
10. regsvr32 msxml.dll
11. regsvr32 msxml3.dll
12. regsvr32 msxml4.dll
13. Stop the Following services:

Volume Shadow Copy Service. It should be stopped
MS Software Shadow Copy Provider
"COM+ event system"
"COM+ System Application"

14. Take the backup of the "Subscriptions" key
HKLM\Software\Microsoft\EventSystem\{26c409cc-ae86-11d1-b616-00805fc79216}\Subscript
ions
15. Delete the "Subscriptions" key
16. Restart/Start the following services
"COM+ event system"
"COM+ System Application"
"Microsoft Software Shadow Copy Provider"
"Volume Shadow Copy"
17. Reboot the machine.

Action Plan in case of 64 Bit machine;
=============================
1. Net stop vss
2. Net stop swprv
3. Got to command prompt
4. Cd %systemroot%\system32

5. regsvr32 /i swprv.dll
6. regsvr32 /i eventcls.dll
7. regsvr32 vssui.dll
8. Vssvc /Register
9. regsvr32 ole32.dll
10. regsvr32 vss_ps.dll
11. regsvr32 es.dll
12. regsvr32 stdprov.dll
13. regsvr32 msxml3.dll

14. Cd %systemroot%\syswow64
15. regsvr32 ole32.dll
16. regsvr32 vss_ps.dll
17. regsvr32 es.dll
18. regsvr32 stdprov.dll
19. regsvr32 msxml3.dll
20. regsvr32 msxml.dll
21. regsvr32 msxml4.dll
22. Check and Stop the Following services:
a) Volume Shadow Copy Service. It should be stopped
b) Microsoft Software Shadow Copy Provider. It should be stopped
c) COM+ event system
d) COM+ System Application

23. Take the backup of the "Subscriptions" key
HKLM\Software\Microsoft\EventSystem\{26c409cc-ae86-11d1-b616-00805fc79216}\Subscript
ions
24. Delete the "Subscriptions" key. Delete just the Subscriptions subkey; leave the
EventClasses key.
25. Restart/Start the following services:
a) COM+ event system
b) COM+ System Application
c) Microsoft Software Shadow Copy Provider
d) Volume Shadow Copy
26. Reboot the machine.

===================
WINDOWS 2008 SERVER
===================

http://support.microsoft.com/kb/953531
http://support.microsoft.com/kb/950267
http://support.microsoft.com/kb/957522

net stop "System Event Notification Service"
net stop "Background Intelligent Transfer Service"
net stop "COM+ Event System"
net stop "Microsoft Software Shadow Copy Provider "
net stop "Volume Shadow Copy"
cd /d %windir%\system32
net stop vss
net stop swprv
regsvr32 /s ATL.DLL
regsvr32 /s comsvcs.DLL
regsvr32 /s credui.DLL
regsvr32 /s CRYPTNET.DLL
regsvr32 /s CRYPTUI.DLL
regsvr32 /s dhcpqec.DLL
regsvr32 /s dssenh.DLL
regsvr32 /s eapqec.DLL
regsvr32 /s esscli.DLL
regsvr32 /s FastProx.DLL
regsvr32 /s FirewallAPI.DLL
regsvr32 /s kmsvc.DLL
regsvr32 /s lsmproxy.DLL
regsvr32 /s MSCTF.DLL
regsvr32 /s msi.DLL
regsvr32 /s msxml3.DLL
regsvr32 /s ncprov.DLL
regsvr32 /s ole32.DLL
regsvr32 /s OLEACC.DLL
regsvr32 /s OLEAUT32.DLL
regsvr32 /s PROPSYS.DLL
regsvr32 /s QAgent.DLL
regsvr32 /s qagentrt.DLL
regsvr32 /s QUtil.DLL
regsvr32 /s raschap.DLL
regsvr32 /s RASQEC.DLL
regsvr32 /s rastls.DLL
regsvr32 /s repdrvfs.DLL
regsvr32 /s RPCRT4.DLL
regsvr32 /s rsaenh.DLL
regsvr32 /s SHELL32.DLL
regsvr32 /s shsvcs.DLL
regsvr32 /s swprv.DLL
regsvr32 /s tschannel.DLL
regsvr32 /s USERENV.DLL
regsvr32 /s vss_ps.DLL
regsvr32 /s wbemcons.DLL
regsvr32 /s wbemcore.DLL
regsvr32 /s wbemess.DLL
regsvr32 /s wbemsvc.DLL
regsvr32 /s WINHTTP.DLL
regsvr32 /s WINTRUST.DLL
regsvr32 /s wmiprvsd.DLL
regsvr32 /s wmisvc.DLL
regsvr32 /s wmiutils.DLL
regsvr32 /s wuaueng.DLL

net start "COM+ Event System"