I am currently working on migrating a client from Exchange 2003 to 2010. I have configured the mail flow through the 2010(internet send & receive connectors) and configured a bidirectional RGC.
Mail flow in & out is working fine for all users. I'm not working on configuring OWA 2010. I am testing internally at present as I don't want to cause any service disruption for any users.
I have configured the internal OWA address as
When I navigate to this page I get a certificate error that I can bypass (to be expected) and I get to the 2010 OWA login page. When I log in as domain admin, which has a mailbox on the new 2010 server, I get the error:
Access is denied.
The Active Directory resource couldn't be accessed. This may be because the Active Directory object doesn't exist or the object has become corrupted, or because you don't have the correct permissions.
I've restarted the MS Exchange info store service, OWA is enabled against the mailbox I'm trying to log in as, I've restarted the site in IIS. I'm kind of at a loss really.