- Check the writers that have failed.
- You can use the list below to find the service that corresponds to the VSS Writer in question. Restart the corresponding windows services for the writers that are down.
- Use the vssadmin list writers command again to show if the vss writer is now in a stable state.
- If the vss writer remains in a failed state, you will need to re-register the writers.
Example of an error:
Writer name: 'Microsoft Hyper-V VSS Writer' Writer Id: {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de} Writer Instance Id: {c35d6ab0-9588-412f-ae7b-cdc37534501f} State: [8] Failed Last error: Retryable error
The list below are the services you would need to restart for the corresponding errors.
| VSS Writer | Service Name | Related Service To Restart |
|---|
| ASR Writer | VSS | Volume Shadow Copy |
| BITS Writer | BITS | Background Intelligent Transfer Service |
| Certificate Authority | CertSvc | Active Directory Certificate Services |
| COM+ REGDB Writer | VSS | Volume Shadow Copy |
| DFS Replication service writer | DFSR | DFS Replication |
| DHCP Jet Writer | DHCPServer | DHCP Server |
| FRS Writer | NtFrs | File Replication |
| FSRM writer | srmsvc | File Server Resource Manager |
| IIS Config Writer | AppHostSvc | Application Host Helper Service |
| IIS Metabase Writer | IISADMIN | IIS Admin Service |
| Microsoft Exchange Replica Writer | MSExchangeRepl | Microsoft Exchange Replication Service |
| Microsoft Exchange Writer | MSExchangeIS | Microsoft Exchange Information Store |
| Microsoft Hyper-V VSS Writer | vmms | Hyper-V Virtual Machine Management |
| MSMQ Writer (MSMQ) | MSMQ | Message Queuing |
| MSSearch Service Writer | WSearch | Windows Search |
| NPS VSS Writer | EventSystem | COM+ Event System |
| NTDS | NTDS | Active Directory Domain Services
(also restarts DFS Replication) |
| OSearch VSS Writer | OSearch | Office SharePoint Server Search |
| OSearch14 VSS Writer | OSearch14 | SharePoint Server Search 14 |
| Registry Writer | VSS | Volume Shadow Copy |
| Shadow Copy Optimization Writer | VSS | Volume Shadow Copy |
| SMS Writer | SMS_SITE_VSS_WRITER | SMS_SITE_VSS_WRITER |
| SPSearch VSS Writer | SPSearch | Windows SharePoint Services Search |
| SPSearch4 VSS Writer | SPSearch4 | SharePoint Foundation Search V4 |
| SqlServerWriter | SQLWriter | SQL Server VSS Writer |
| System Writer | CryptSvc | Cryptographic Services |
| TermServLicensing | TermServLicensing | Remote Desktop Licensing |
| WDS VSS Writer | WDSServer | Windows Deployment Services Server |
| WIDWriter | WIDWriter | Windows Internal Database VSS Writer |
| WINS Jet Writer | WINS | Windows Internet Name Service (WINS) |
| WMI Writer | Winmgmt | Windows Management Instrumentation |
