FSRM was unable to create or access the shadow copy for the volumes mounted at {0} (volume names {1}). Possible causes include ...

FSRM was unable to create or access the shadow copy for the volumes mounted at {0} (volume names {1}). Possible causes include an improper Shadow Copy configuration, insufficient disk space, or extreme Memory, I/O or CPU load of the system. To find out more informations about the root cause for this error please consult the Application/System event log for other FSRM, VSS or VOLSNAP errors related with these volumes. Also, you might want to make sure that you can create shadow copies on these volumes by using the VSSADMIN command like this: VSSADMIN CREATE SHADOW /for=c: