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Cannot email domain now it has moved from one instance of microsoft exchange 2013 to another server running microsoft exchange 2013

Hello Experts,

I have an issue where users cannot email mailboxes that used to be on the same exchange 2013 server now that they have been moved to a different exchange 2013 server

So domain A and Domain B were on the same server and could email each other without an issue, Domain B has now moved to a different server and is working correctly however when users of Domain A try to email users of Domain B they get a bounce back stating that the database for domain B is offline '432 4.3.2 STOREDRV; mailbox database is offline;

I have asked users of domain A to delete their autocomplete files and rewrite the addresses of users at domain B but they seem to still be getting the same message

I have removed domain B as an accepted domain in the ECP on the Exchange server that domain A is still on but this has made no difference.

We don't want to delete the database for Domain B until we are sure it is definitely not required and that all historic emails are completely moved over to the new server.

Can you advise what we need to do so that when users of Domain A send an email to Domain B the message does not stay local and goes outside of the exchange server rather than staying internal.

Thanks
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purpleoak
Asked:
purpleoak
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1 Solution
 
jmac44Commented:
Under Organization configuration. Do you have Domain B set up as a Remote Domain and Accepted Domain in Hub Transport? Also are your connector IP's correct under Server Config - Hub Transport?
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purpleoakAuthor Commented:
Hello,

I believe I have found the solution in that the original mailboxes still had for Domain B still had some aliases configured that related to domain B, After removing these and sending test emails again I can see the mail is going from Domain A over to Domain B on the new server correctly.
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purpleoakAuthor Commented:
After further investigation my side I found that the mailboxes still had some data connected to them from the original setup of domain B therefor I have managed to solve the problem myself.
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