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exchange Active sync

We just performed a domain rename on my windows 2008 R2 AD environment
Seemed like all went well every step of the way including restarting desktop computers and checking entries in DNS Manager and in active directory users and computer
each In the computer properties, dns name was corrected to new domain.
Where it mayhave caused issues is when we performed the functions on the Exchange Server 2003.
We realized too late that we were suppose to run the steps before ending domain freeze.
So we ran the Exchange XDR-fixup after that.  We thought everything went well,  new Entry in DNS manager for exchange server with new domain suffix, the actual domain and computer name on the Exchange Server had new Domain and Mail is flowing and Outlook Clients and OWA is working.
We are having problems getting iPhones configured, we are able to set up the account with new Domain and it account on phone actually verifies to Server but mail will not download and says "Cannot get mail, the connection to the server failed"

We noticed that when we look in Active Directory Users and Computers the dns name of the Exchange server computer is still ExchangeServer.old  but on the computer itself(my computer settings) it is ExchangeServer.new domain.
We are also seeing error 7004 and 3031(references old domain).

Does anyone have any possible solutions to this?  Would greatly appreciate it!
Windows Server 2008Exchange

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8/22/2022 - Mon