Exchange VSS Writer (instance %1) has successfully completed the backup of a storage group with GUID '%2', but was unable to match up this GUID with any existing storage groups. No logfiles have been truncated for this storage group.
Exchange VSS Writer (instance %1) failed with error code %2 when checking volume dependencies for storage group '%3' in preparation ...
Exchange VSS Writer (instance %1) failed with error code %2 when collecting database file information for '%3' in preparation ...
Exchange VSS Writer (instance %1) failed with error code %2 when collecting private metadata information for storage group ...
Exchange VSS Writer (instance %1) failed with error code %2 when preparing the database engine for backup of storage group ...
Exchange VSS Writer (instance %1) has successfully completed the backup of a storage group with GUID '%2', but was unable ...
Exchange VSS Writer (instance %1) has successfully completed the copy or differential backup of storage group '%2'. No logfiles ...
Exchange VSS Writer (instance %1) has successfully completed the full or incremental backup of replicated storage group '%2'. ...
Exchange VSS Writer (instance %1) has successfully completed the full or incremental backup of storage group '%2'. The database ...
Exchange VSS Writer (instance %1) has successfully prepared the database engine for a full or copy backup of storage group ...