SharePoint Backups do not run and the SharePoint VSS Writer is missing.
Confirm that the VSS Writer is missing, run the command VSSAdmin List Writers. This will give you a list of all the VSS Writers.
If the writer is missing follow the steps below to resolve the issue:
- Open up Command Prompt as an Administrator.
- Navigate to the folder C:Program FilesCommon FilesMicrosoft SharedWeb Server Extensions14BIN
- Run the command stsadm -o registerwsswriter
Once the command is run, it will take approximately 5 minutes to finish. Once complete you can run the command VSSAdmin List Writers and you will then see the SharePoint VSS Writer.