I am running a EX2003 enviornment with EX2K7 installed in to it. I havecreated a CAS server. If I create a new user and put it on the ex2k7 serverthen it is fine for OWA. But I have moved my mailbox over to the new ex2k7server and the OWA says I have insuffiencient permissions to AD.error:ExceptionException type: Microsoft.Exchange.Data.Storage.StoragePermanentExceptionException message: There was a problem accessing Active Directory.Active directory response: 00002098: SecErr: DSID-03150A45, problem 4003(INSUFF_ACCESS_RIGHTS), data 0What is missing. or where. I am a full exchange admin, but I am missing somepermissions in AD somewhere.   read more »