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Exchange 2010 - change internal address records

Posted on 2013-10-27
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Last Modified: 2013-11-29
Hey Guys

I have an Exchange 2010 server which is using "mail.domain.com" as the internal address record for "OWA, ActiveSync default web site, OAB default web site,Pop3 & IMAP, ECP, CLIENT Receive Connector and the SSL certificate"etc.

The client would like the address changed to mail.newdomain.com.

If I change the addresses for OWA, ActiveSync default web site, OAB default web site,Pop3 & IMAP, ECP, CLIENT Receive Connector and purchase a new SSL certificate and apply it, is there anything else I need to worry about? They have a couple of LOB applications that are also linked to Exchange and a 3CX server.

Has anyone done this before?
Also if I make the changes, will it break the clients Outlook 2007/10, iPhone Activesync profiles and the LOB apps? Will I need to re-add them?

Am I best of leaving it as is and making the changes when I build them a new network next year? What do you guys think?

Kind Regards
Aaron
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Question by:moncomp
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12 Comments
 
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Accepted Solution

by:
-MAS earned 500 total points
ID: 39604829
First of you have to find what all apps using your current name.
Do you have DAG/CAS Array configured?

You could use a trick to test it. I think but you will be safe till you make sure all users/apps using the new name.
Assign an extra IP to the exchange server NIC and add A record points to this new IP in your DNS server if not created automatic.
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Author Comment

by:moncomp
ID: 39604833
Hey abbasiftt

Haven't got DAG/CAS array in place.

Have you used the above method before? How did it go?
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LVL 25

Expert Comment

by:-MAS
ID: 39604839
If CAS array is not configured it is easy.
I tried this for OWA not for all but it was pointing to the same IP and it was successful.
Removed the old name from cert and OWA config
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Author Comment

by:moncomp
ID: 39605273
how about Outlook, activesync and business apps?
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LVL 25

Expert Comment

by:-MAS
ID: 39605278
That will work as it is pointing to the same server.

once everything working remove the IP added to the NIC
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Author Comment

by:moncomp
ID: 39605364
ahh so if I add an extra IP to the exchange nic, I can slowly migrate users to the new address and then change what IP the A record points to at a later date?
what happens with the exchange certificate. can I run 2x certs at the same time for all the services that are currently in use?
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LVL 25

Expert Comment

by:-MAS
ID: 39605606
Later if all are working fine delete the old name from DNS server and keep only one IP for the new name and autodiscover.


-->what happens with the exchange certificate. can I run 2x certs at the same time for all the services that are currently in use?

yes you can but you cannot enable same services on 2 certs.
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Author Comment

by:moncomp
ID: 39638333
solution was a success
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LVL 25

Expert Comment

by:-MAS
ID: 39668765
Then why u didnt award  points?
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Author Comment

by:moncomp
ID: 39668774
I thought I did, can I still award, I can't see the option to?
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LVL 25

Expert Comment

by:-MAS
ID: 39670053
Click on request attention n request to reopen it for you.  They will let you do again
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