http://blogs.technet.com/b/excel_services__powerpivot_for_sharepoint_support_blog/archive/2013/02/04/excel-services-data-refresh-failure-caused-by-kerberos-dll-bug-server-2008-pre-r2.aspxI have had several cases where a customer will have Kerberos properly configured but refresh in the browser fails. In the UI, the error will appear. "Unable to get the required information about this cube. The cube might have been reorganized oren-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)