We do NOT recommend this process be performed on Small Business Server.WARNING: Steps performed on Small Business Server are at your own risk. |
Stabilize the VSS writers
Before a backup can be successful, your VSS writers must be in a stable, healthy state.
Please be sure you have completed these steps before attempting to re-register your VSS writers:
1. To bring your writers to a stable, healthy state, right-click the following services one at a time. For each service, click Restart:
- COM+ Event System
- COM+ System Application
- Microsoft Software Shadow Copy Provider
- Volume Shadow Copy
2. In an elevated command prompt (run as Administrator), enter the command
vssadmin list writers
and press enter.
All writers should now be stable, with no errors.
If they are not, or if you continually have writers that are not stable, you may need to re-register the VSS components of VSSadmin
Re-register the VSS components
1. In an elevated command prompt, run the following commands.
IMPORTANT NOTE: Each command is a single line. Press enter at the end of each command. All of these commands must be run in this order.
| cd /d %windir%\system32 net stop vss net stop swprv regsvr32 /s ole32.dll regsvr32 /s oleaut32.dll regsvr32 /s vss_ps.dll vssvc /register regsvr32 /s /i swprv.dll regsvr32 /s /i eventcls.dll regsvr32 /s es.dll regsvr32 /s stdprov.dll regsvr32 /s vssui.dll regsvr32 /s msxml.dll regsvr32 /s msxml3.dll regsvr32 /s msxml4.dll vssvc /register net start swprv net start vss |
2. When you have completed that step, again run the command
vssadmin list writers
and press enter.
- If the writers are all stable, with no error, attempt to run the backup again.
- If any writer is in a non-stable, failed, or error state, please reboot and verify the writers are stable, with no error before attempting a new backup.
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Note: VSS is a native Windows service, not an x360Recover service.
If the VSS is not in a healthy state or runs into software conflicts when backups attempt to run, the backups will fail. There are a wide variety of reasons that can cause backups to fail, including but not limited to:
Identifying the cause of your VSS issue may not be possible for x360Recover Support and in some cases will require expert support from Microsoft to resolve. |
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