Add and Verify the Primary SMTP Domain

In this post I will show you how to add your external domain to Office 365 and then verify it for use with Office 365.

  1. Login at the Microsoft Online Portal home page

     

  2. Click ‘Domains’ on the left hand side under ‘Management’

     

  3. Click Add a Domain

     

  4. Enter the domain name and click ‘Check Domain’

     

  5. Once the domain confirmation comes up, click ‘Next’

     

  6. In order to verify domain ownership, Microsoft asks that you create a txt record in your external DNS with a value pre-defined by them. They look for this record to be added and when it’s there, the domain ownership will be verified. Create a txt record in your external DNS with the value that Microsoft provides. The screenshot below is a sample value. Once the txt record has been entered into DNS, give it some time to propagate around the internet. Once propagation has taken place (usually 15 minutes), click ‘Verify’

     

  7. Once the verification has been completed you are asked to specify the intent of the domain. Make sure to check Exchange Online (You can check Lync Online if your intent is to use that domain for Lync as well)

     

  8. Once your domain intent has been set, then you are required to add more DNS records to support the services. Click ‘DNS settings’ to view the DNS records that need to be added to your Public DNS server

     

  9. The DNS settings should look something like this…

***NOTE*** DO NOT ADD OR CHANGE THE MX RECORD AT THIS TIME. ONLY CHANGE THE MX RECORD AT THE END OF THE MIGRATION

  1. Now the domain is added and verified and all the DNS records should be added so that Lync and Exchange can function.

Thanks for visiting and reading my posts. I am always looking for more ideas. Please comment or email me with what you would like to see.

Kelsey Epps

Office 365 MVP

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