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

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 something.net

Is it possible and if so how does one go about this?
andrew_2706Asked:
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David AtkinTechnical DirectorCommented:
Hello,

Do you mean the default Email Domain here?

Changing the actual Server / Active Directory Domain name isn't possible - Well not safely anyway.
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andrew_2706Author Commented:
No email is fine.

Yes it's the server domain that needs to change
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David AtkinTechnical DirectorCommented:
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:
http://support.microsoft.com/kb/196443
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andrew_2706Author Commented:
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
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David AtkinTechnical DirectorCommented:
Ok, can you upload a screenshot of the error please?

Presuming you have purchased third party certificate?
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andrew_2706Author Commented:
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Cris HannaSr IT Support EngineerCommented:
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
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andrew_2706Author Commented:
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