How can I change the dns name on domain controller that is also running exchange?

Posted on 2014-12-17
Last Modified: 2014-12-24
We have a DC running SBS 2011 Standard and Exchange 2010 all on the same box.

I could do with changing the Domain name from local one to a FQDN ie: something.local to

Is it possible and if so how does one go about this?
Question by:andrew_2706
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LVL 22

Expert Comment

by:David Atkin
ID: 40504332

Do you mean the default Email Domain here?

Changing the actual Server / Active Directory Domain name isn't possible - Well not safely anyway.

Author Comment

ID: 40504336
No email is fine.

Yes it's the server domain that needs to change
LVL 22

Expert Comment

by:David Atkin
ID: 40504339
What is the reason for needing the change?

After the installation of SBS the domain name should never be changed.

See here for MS Reference:
Transaction Monitoring Vs. Real User Monitoring

Synthetic Transaction Monitoring Vs. Real User Monitoring: When To Use Each Approach? In this article, we will discuss two major monitoring approaches: Synthetic Transaction and Real User Monitoring.


Author Comment

ID: 40504345
The reason is previously SSL certificates could have .local domains on them but no more, so now after renewing the SSL certificate for Exchange Outlook is throwing up a Security Alert for the local domain
LVL 22

Expert Comment

by:David Atkin
ID: 40504358
Ok, can you upload a screenshot of the error please?

Presuming you have purchased third party certificate?

Accepted Solution

andrew_2706 earned 0 total points
ID: 40504392
LVL 35

Expert Comment

by:Cris Hanna
ID: 40506769
No you cannot change the domain name of SBS 2011 box.   In fact during the install it tells you to make sure you get it right because it can't be changed.

Do you have the latest Update Rollup for SBS 2011 installed.   it includes updates for dealing with the .local ssl cert change

Author Closing Comment

ID: 40516240

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