VSS is required to backup System State Components.
Issue #1 (VSS unsupported partition type) (Refer to the “Cause” section to generate the reports to troubleshoot)Īn active partition that is not NTFS formatted and contains System State components. Depending on the OS errors’ source the “Application” or “System” will have the entry.įor all the issues symptoms mentioned below see the “Cause” section for how to generate the VSS reports to confirm and resolve which root cause needs addressing. įor these errors / issues there is always a matching OS Event Log entry with similar time stamp as the underlying errors are Windows OS VSS errors. Scheduler Phase message received from Module Token restartPhase Scheduler Set pending cause ::Client Application Message Id RCID ReservationId. The JobManager.log file with have this type of entry: Here are several Volume Shadow Service (VSS) issues that will generate the following error code:įailed to create a VSS snapshot and it is required in order to run a system state backup. 02 Failed to create a VSS snapshot and it is required in order to run a system state backup.