VSS Command Line Repairs
NovaBACKUP
WARNING: The following guide is to be used only by advanced users with working knowledge of an administrative command prompt.
These commands interact with low-level functionality and prerequisite components of the Windows Volume Shadow Copy Service as well as the VSS service itself.
INFORMATION: Some of these commands may fail - this is expected / acceptable. If a command fails, verify you've typed it correctly and, if so, proceed with the rest.
VSS Command Line Repair Instructions
Windows 7 | 8 | 10
Server 2008/R2 | 2012/R2 | 2016 | 2019
Please start an Administrative Command Prompt. At the command prompt, type the following:
cd %WINDIR%\System32
Once you are in the System32 directory, run these commands in order:
NOTE: You should be able to copy/paste from here directly into the command prompt.
net stop "System Event Notification Service" net stop "Background Intelligent Transfer Service" net stop "COM+ Event System" net stop "Microsoft Software Shadow Copy Provider" net stop "Volume Shadow Copy" cd /d %windir%\system32 net stop vss net stop swprv regsvr32 /s ATL.DLL regsvr32 /s comsvcs.DLL regsvr32 /s credui.DLL regsvr32 /s CRYPTNET.DLL regsvr32 /s CRYPTUI.DLL regsvr32 /s dhcpqec.DLL regsvr32 /s dssenh.DLL regsvr32 /s eapqec.DLL regsvr32 /s esscli.DLL regsvr32 /s FastProx.DLL regsvr32 /s FirewallAPI.DLL regsvr32 /s kmsvc.DLL regsvr32 /s lsmproxy.DLL regsvr32 /s MSCTF.DLL regsvr32 /s msi.DLL regsvr32 /s msxml3.DLL regsvr32 /s ncprov.DLL regsvr32 /s ole32.DLL regsvr32 /s OLEACC.DLL regsvr32 /s OLEAUT32.DLL regsvr32 /s PROPSYS.DLL regsvr32 /s QAgent.DLL regsvr32 /s qagentrt.DLL regsvr32 /s QUtil.DLL regsvr32 /s raschap.DLL regsvr32 /s RASQEC.DLL regsvr32 /s rastls.DLL regsvr32 /s repdrvfs.DLL regsvr32 /s RPCRT4.DLL regsvr32 /s rsaenh.DLL regsvr32 /s SHELL32.DLL regsvr32 /s shsvcs.DLL regsvr32 /s /i swprv.DLL regsvr32 /s tschannel.DLL regsvr32 /s USERENV.DLL regsvr32 /s vss_ps.DLL regsvr32 /s wbemcons.DLL regsvr32 /s wbemcore.DLL regsvr32 /s wbemess.DLL regsvr32 /s wbemsvc.DLL regsvr32 /s WINHTTP.DLL regsvr32 /s WINTRUST.DLL regsvr32 /s wmiprvsd.DLL regsvr32 /s wmisvc.DLL regsvr32 /s wmiutils.DLL regsvr32 /s wuaueng.DLL sfc /SCANFILE=%windir%\system32\catsrv.DLL sfc /SCANFILE=%windir%\system32\catsrvut.DLL sfc /SCANFILE=%windir%\system32\CLBCatQ.DLL net start "COM+ Event System"
Once complete, close the command prompt and reboot your system.
VSS Repair For Windows XP and Server 2003 ONLY:
Go to Start -> Run and type in:
CMD
And hit "OK". This will open a Microsoft Command Prompt. At the command prompt, type the following:
cd %WINDIR%\System32
Once you are in the System32 directory, run these commands in order:
NOTE: You should be able to copy/paste from here directly into the command prompt.
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
Once complete, close the command prompt and reboot your system.