Create a new UPN suffix in AD

Just a short quick note that seems to be missing from the Internet. To add a new Alternative UPN suffix to your domain controller, you will need to do the following:

1. Goto Administrative Tools -> Active Directory Domains and Trusts.
2. Right-click on Active Directory Domains and Trusts from the top of the MMC tree.
3. Add the domain name you want to use for your new Alternative UPN suffix.

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