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SBS03 to 11 - Existing Internal Domain "companyname.com.au". Will it matter?

I am going to perform a migration from SBS03 to SBS2011 (onto new hardware) soon.

The existing network was setup before my time. The internal domain is "companyname.com.au" rather then the recommended "companyname.local"

What problems might this cause during or after the migration to SBS 2011?

Thanks for any input.

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3 Solutions
No problem.  The new Exchange connectors allow you to specify the public addresses of your interfaces  (OWA, AutoDiscover, IIS etc) without any attempt to match the AD object names.

The install script will probably attempt to populate the fields with AD consistent names, but just open the connector configuation and change the URLs.
Just a quick additional note.  2003 to 2010/11 is a major migration that changes the fundamental structure of the system. I assume you know that no in place migration is possible.  You'll have to bring the new one up and migrate the mailboxes and public folders to it.

It's a long powerscript that is very dependent upon the envrionment being just right.  Absolutely adhere to the system requirements for Schema and Domain level,  Net Framework Version, and Powerscript version.  Make sure you get and run all of the patches and service packs before you start the script.  Don't assume it is fully patched out of the box.

 By default the new one will have no public folders so you'll have to add them.
Rob WilliamsCommented:
I am afraid when you do a migration you cannot change the internal domain name. External/public is no problem. The reason you do a migration is to preserve active directory, which is entirely based on the internal domain name. You can do an export of data and e-mail, and then a clean install of SBS 2011, followed by importing the data. You might want to contact www.swingmigration.com who sell migration kits for all sorts of scenarios. They may have some tools to assist with the export/import. I would recomend moving away from companyname.com.au internally.

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