When attempting to update your CRM 2011 Server to CRM 2011 Rollup 4 or 5, you receive an error message “Generic Error” upon reboot. After reviewing event logs you see an error stating “Method Not found: Void. Microsoft.Xrm.XXXXX”. The fix is to use the GACUTIL for the .NET 4.0 framework and re-register 2 dlls from […]