Apparently the Event ID 21 for VolSnap seems to be a bug within the SP2 created for the Server OS. What else should we expect…. it’s a Microsoft product.

Anyway, after a little research I found the link to the hotfix provided by Microsoft to take care of this issue. Keep in mind that the server would need to be restarted after the hotfix is applied.

Here’s the link: http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=940239&kbln=en-us

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