We are in the process of sending our Exchange server offsite. Our future host is configuring our Exchange 2010 server and having issues because we have two domains marked as primary in our recipient policy.
@domain1 and @domain2 are both selected as primary in our default recipient policy.
If we attempt to remove @domain2 the Exchange server automatically adds @domain3 as a primary.
In order to complete the Exchange 2010 migration we have to have @domain1 as the only selected primary domain in our recipient policy.
How do we make this happen?