Summary
A Block backup job fails with the following error: VSS_E_SNAPSHOT_SET_IN_PROGRESS There are several circumstances that can cause this issue. Refer to the Resolution section for these circumstances and their solutions.
Symptoms
A Block backup job fails with the following error in the Job Report:
192.168.1.14 5/12/2014 11:55:42 pm SNBSNP3069E 372: MsSnapShot::do_startsnapshotset:StartSnapshotSet error RC(0x80042316) (VSS_E_SNAPSHOT_SET_IN_PROGRESS)
192.168.1.14 5/12/2014 11:55:42 pm SNBSNP3069E 372: MsSnapShot::backup_components:do_startsnapshotset error(-1)
192.168.1.14 5/12/2014 11:55:42 pm SNBSNP3069E 372: BACKUP::backup_components failed rc(-4)
192.168.1.14 5/12/2014 11:55:42 pm SNBSNP3069E 372: Failed to backup the applications / disk ( RC(-16)
192.168.1.14 5/12/2014 11:55:42 pm SNBAPH_381E Exception in message (BACKUP_VSS) to module (sssnap), reqrc (-16)
Resolution
This issue can occur with the following circumstances. Their solutions are also provided.
- More than one backup program installed
If you have more than one backup program installed on your machine, disable all of the programs except for one and try run the backup job again.
- Previous VSS snapshot hasn't completed properly and is still running
Stop and restart the Volume Shadow Copy service. You can do this by going to Control Panel > Administrative Tools > Services.
Once in Services, right-click Volume Shadow Copy and select Restart.
Also, a reboot of the server has been known to clear this issue up as well.
- 3. Reregister .dll files associated with VSS service
Open the command prompt and change the directory to windows/system32 and type in the following commands:
regsvr32.exe /i eventcls.dll
regsvr32.exe /i swprv.dll
regsvr32.exe vssui.dll
regsvr32.exe vss_ps.dll
regsvr32.exe msxml.dll
regsvr32.exe msxml2.dll
regsvr32.exe msxml3.dll
regsvr32.exe ole32.dll
regsvr32.exe oleaut32.dll
regsvr32.exe es.dll
regsvr32 stdprov.dll
Vssvc /Register
- Apply hotfix to Server 2003
An update is available that fixes various Volume Shadow Copy Service issues in Windows Server 2003:support.microsoft.com/default.aspx?scid=kb;en-us;891957.