Tuesday, October 13, 2015

Restart VSS-writers manually without server reboot

Hi,


Have you ever experienced problem with snapshot-backup due to failed VSS-writers and you cannot restart your server until after business hour or the next service window?

An alternative solution other than restarting the server is to restart each of the associated services for each of the VSS writers!

Find failed VSS-writers and restart service:

  • Find each of the VSS writers in a failed state by issuing this command in an elevated command prompt - vssadmin list writers.
  • Make a list of all the failed VSS writers or take a screenshot.
  • Find the VSS writer's associated Service Display Name in the table below and restart the service.
  • Issue the command again to confirm the status has changed Stable with no Error - vssadmin list writers.
  • Attempt to perform another snapshot.
  • If the VSS writers fail again, it will be necessary to restart the server.

VSS Writer Service Name Service Display Name
ASR Writer VSS Volume Shadow Copy
BITS Writer BITS Background Intelligent Transfer Service
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 Writer MSExchangeIS Microsoft Exchange Information Store
Microsoft Hyper-V VSS Writer vmms Hyper-V Virtual Machine Management
NTDS NTDS Active Directory Domain Services
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
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
WINS Jet Writer WINS Windows Internet Name Service (WINS)
WMI Writer Winmgmt Windows Management Instrumentation

Kind Regards
Markus Eliasson


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