This hotfix addresses a crash that may occur when Revit is uploading data to Revit Server during a Synchronize with Central operation. It must be applied to both Revit Server and Revit product to be effective.
Make sure that Update Release 2 has been applied prior to adding the hotfix. Verify that the build number of Revit 2011 is 20100903_2115.
The Readme contains the latest information regarding the installation and use of this update. It is strongly recommended that you read the entire document before you apply the update to your product. For your reference, you should save the Readme to your hard drive or print a copy.