I have a Windows Server 2012 installation with Sql Server 2012 and Sharepoint Server 2013.
Windows server backup worked fine before Sharepoint was installed.
After it was installed, windows server backup cannot back up system state because the VSS system writer is not available. 'vssadmin list writer' returns many writers but not the system writer. The event log shows:
Event ID 513
Cryptographic Services failed while processing the OnIdentity() call in the System Writer Object.
The problem is identical to this one:
I have not seen a working solution anywhere. Has anyone else experienced this or have a solution?