I am having a problem on Exchange 2010 which relates to mailboxes whose AD account is in a child domain in the AD forest.
We have two domains A & B in the forest. The site which hosts E2010 only has DCs from domain A (root domain). These DCs are set as Global Catalogues.
All Exchange servers (2 x CAS & 2 x Mailbox) installed in Domain A (primary site) can resolve domain B and performing nslookups for domain B on these server displays the DCs installed in domain B at remote sites.
I am migrating some resource mailboxes with AD accounts in domain B and need to set them up as room mailboxes to enable the auto accept bookings feature.
After migrating the mailboxes via the EMS to set the mailbox as a room, below is the error I get:
[PS] C:\Windows\system32>set-mailbox mtgrm1@domainB -Type Room
The operation couldn't be performed because object 'mtgrm1@ domainB' couldn't be found on 'DC01.domainA.com'.
+ CategoryInfo : NotSpecified: (0:Int32) [Set-Mailbox], ManagementObjectNotFoundException
+ FullyQualifiedErrorId : 9E6F6A1,Microsoft.Exchange.Management.RecipientTasks.SetMailbox
I have also tried using only the alias and the object CN:
set-mailbox mtgrm1 -Type Room
set-mailbox –identity 'domainB/Sitename/ Users/MSX Resource Accounts/Conf MtgRm1 (Video)' -Type Room
but get the same error.
All employee mailboxes from Domain B have been migrated to Exchange 2010 from 2003 and are working with no problems.
I have confirmed domain B has been prepared for E2010 - In the Microsoft Exchange System Objects container in AD there is the global group Exchange Install Domain Servers.
Event ID 2080
Process MSEXCHANGEADTOPOLOGYSERVICE.EXE (PID=1864). Exchange Active Directory Provider has discovered the following servers with the following characteristics:
(Server name | Roles | Enabled | Reachability | Synchronized | GC capable | PDC | SACL right | Critical Data | Netlogon | OS Version)
In-site:
dc02.domainA.COM CDG 1 7 7 1 0 1 1 7 1
DC01.domainA.com CDG 1 7 7 1 0 1 1 7 1
Out-of-site:
DC03.domainA.COM CDG 1 0 0 1 0 0 0 0 0
dc04.domainA.COM CDG 1 0 0 1 0 0 0 0 0
Please note the Out of site DCs are for our Exchange failover site which is currently down due to the storms on the East Coast.
Does Exchange 2010 require a local DC for the second domain installed in the sites which host Exchange? If not, any advise on what else I can look at will be appreciated.
Thanks.