Document ID: 302192
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Backups appear to hang when attempting to create a Snapshot using VSS (Volume Shadow Copy Service)
Exact Error Message
20071003 10:08:03 VSS E12310 NA Volume Shadow Copy Service error: The shadow copy could not be committed - operation timed out. Error context: DeviceIoControl(\\?\Volume{da3c46c6-1212-11db-9ed4-000bcd694cc0} - 000000E4,0x0053c010,000391B8,0,0003A1C0,4096,[0]).

Details:


One possible Resolution is to re-register the Volume Shadow Copy DLL's per what shows below:


Procedure to re-register the Volume Shadow Copy service DLL's:


CD to Windows\System32
Net stop vss
Net stop swprv

regsvr32 ole32.dll
regsvr32 vss_ps.dll

Vssvc /Register

regsvr32 /i swprv.dll
regsvr32 /i eventcls.dll

regsvr32 es.dll
regsvr32 stdprov.dll
regsvr32 vssui.dll
regsvr32 msxml.dll
regsvr32 msxml3.dll
regsvr32 msxml4.dll

Reboot the server.

After reboot, open a command prompt and run:
vssadmin list writers



A Volume Shadow Copy Service (VSS) update package is available for Windows Server 2003
 http://support.microsoft.com/default.aspx?scid=kb;en-us;940349

Products Applied:
 Backup Exec 10d (10.1) 5629, 10d (10.1) 5629 SP1, 11d (11.0), 11d (11.0) 6235, 11d (11.0) 7170, 12.0, 12.5, 12.5 .1 SP1, 12.5 .2 SP2, 12.5 .3 SP3
Last Updated: February 15 2010 11:41 AM GMT
Expires on: 365 days from publish date
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Subjects:
 Backup Exec
   Application: Backup

Languages:
 English (US)

Operating Systems:
Windows Server 2003

Enterprise SP2, Standard Server SP2, Storage Server