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Crashplan and Volume Shadow Copy Errors (Fixed)

For the longest time I have been logging Volume Shadow Copy (VSS) errors in my Windows Application log every few seconds. I use Crashplan to back up my machine online – other than those errors I have been very happy with it. I didn't have much luck trying to fix the error previously and have been living with it until I stumbled upon the fix.

When cleaning up space on C:\, I noticed the Crashplan cache was consuming a lot of space (9 GB on an SSD in my case). I moved the cache to the backup drive (a 3 TB USB 3 attached disk) and the errors ceased. Surprise!

If you have a log full of VSS errors try moving your Crashplan cache to another drive. You can change the location by editing the node cachepath in ProgramData\CrashPlan\conf\my.service.xml. In my case I have it on the same drive as the backup destinations (\temp\cache). Be sure to cycle the crash plan service for the change to take.


Some useful links on the error


The VSS errors which I was receiving:



Volume Shadow Copy Service error: Error calling a routine on the Shadow Copy Provider {b5946137-7b9f-4925-af80-51abd60b20d5}. Routine returned E_INVALIDARG. Routine details GetSnapshot({00000000-0000-0000-0000-000000000000},0000000000358EB0).


Get Shadow Copy Properties


Execution Context: Coordinator

Print | posted on Wednesday, November 14, 2012 4:12 PM |

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