SharePoint Security: Hard limits and recommended practices
Posted by: Eli Robillards World of Blog.,
on 12 Sep 2008 |
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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
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