SharePoint Security: Hard limits and recommended practices

Posted by: Eli Robillards World of Blog., on 12 Sep 2008 | View original | Bookmarked: 0 time(s)

This summarizes the hard limits and recommended guidance for Groups, Access Control Lists (ACLs) and securable objects in SharePoint 2007. Unique list-item permissions per list: 600 to 1000. When you assign unique permissions to list items in a given list, when the critical point is exceeded the error is displayed: "Operation is not valid due to the current state of the object" and the following event is logged in Event Viewer: "Unknown SQL Exception 156 occured. Additional error information from...

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