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Sharepoint 2010 groups mysteriously deleted

Posted on 2013-06-04
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Last Modified: 2013-06-07
Hi,

I have a basic sharepoint 2010 setup with a handful of sites.  Each site is set with its own unique permissions.  I usually create a group with the site name and add users to that group.  For one particular site, these groups mysteriously disappeared completely from the entire site collection.  I looked in the site collection recycle bin, and all that is there is files.  

Is there any way to see who deleted it, and also prevent this from happening in the future?
Why would a site owner (not home site) have the ability to delete this?  
Can it be restored without needing to recreate and add all the users to it?
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Question by:TakedaT
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Jamie McAllister MVP earned 500 total points
ID: 39219732
If you have Auditing enabled this should be available in Security and Permissions section.

See this for what I mean; http://social.technet.microsoft.com/forums/en-US/sharepointadminprevious/thread/a480d57c-00d0-4d4a-a3ef-9df227a0014e

Though ignore the insult throwing at the end of the thread :)

Here's an example of the way the event looks in the logs;

http://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=26

If Owners can manage permissions I suspect they'll also be able to delete groups. A position of trust...
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by:TakedaT
ID: 39230289
I had auditing enabled and found the culprit.  Thanks much.
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