VSS Shadow Copy Creation and Storage Space Availability
Applies To: Windows Server 2008 R2
A shadow copy is a snapshot of a volume that duplicates all of the data that is held on that volume at one well-defined instant in time.
Events
| Event ID | Source | Message |
|---|---|---|
VSS |
Volume Shadow Copy Service error: A critical component required by the Volume Shadow Copy service is not registered. This might happened if an error occurred during Windows setup or during installation of a Shadow Copy provider. The error returned from CoCreateInstance on class with CLSID %1 and Name %2 is [%3]. %4 | |
VSS |
Volume Shadow Copy Service error: Cannot find diff areas for creating shadow copies. Please add at least one NTFS drive to the system with enough free space. The free space needed is at least 300 Mb for each volume to be shadow copied. | |
VSS |
Volume Shadow Copy Service error: The I/O writes cannot be flushed during the shadow copy creation period on volume %1. The volume index in the shadow copy set is %2. Error details: Open[%3], Flush[%4], Release[%5], OnRun[%6]. | |
VSS |
Volume Shadow Copy Service error: The I/O writes cannot be held during the shadow copy creation period on volume %1. The volume index in the shadow copy set is %2. Error details: Open[%3], Flush[%4], Release[%5], OnRun[%6]. |