Hi All, Please can you help. I am trying to install Exchange SP1 and get the following error during the checks Exchange 2007 SP1 Installation Error. You must be a member of Exchange Organisation Administrators I am domain admins, enterprise admins, Excahnge Organisation Administrator, administrators, schema admins ..etc already. Any idea what going on ? P.S this is my 32bit test servers I am trying on before going to production. Thanks ECL