Exchange 2007 Service Pack 1 installation

Having a problem installing the service pack?


--------------------------------
Hub Transport Role Prerequisites
Failed

Error:
You must be a member of the Exchange Organization Administrators group to upgrade the first Hub Transport server role in your organization to Exchange Server 2007 Service Pack 1.

Elapsed Time: 00:00:03


Client Access Role Prerequisites
Failed

Error:
You must be a member of the Exchange Organization Administrators group to upgrade the first Client Access server role in your organization to Exchange Server 2007 Service Pack 1.

Elapsed Time: 00:00:03
----------------------

If you see the above message, the resolution is to check the Active Directory Users and Groups entry "Exchange Organization Administrators" group which is likely to be blank and it looks like this only happens on a domain upgrade, not a fresh install.