How do I change a mispelled onmicrosoft primary domain name
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Computer Service Solutions
5
Reputation points
We mispelled the domain name and can not find a way to change it. How do this if I am not the Domain holder Microsoft is?
"To use ????.onmicrosoft.com with your Microsoft Entra tenant, create a new TXT record with your domain name registrar using the info below."
Microsoft Security | Microsoft Identity Manager
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VEMULA SRISAI 1,725 Reputation points Microsoft External Staff Moderator2025-11-03T05:20:17.6133333+00:00 Hello Computer Service Solutions,
Thank you for reaching out. The default
onmicrosoft.comdomain created during tenant setup cannot be renamed or corrected because Microsoft owns that namespace and it is fixed at provisioning.Recommended approach:
- Add a custom domain that you own (e.g.,
contoso.com) in the Microsoft Entra admin center. - Verify the domain by creating the TXT record with your domain registrar.
- Set the custom domain as the primary domain for your tenant.
- Update user UPNs to use the new domain instead of the mis‑spelled
onmicrosoft.com.
If you require a corrected
onmicrosoft.comdomain, the only option is to create a new tenant with the correct spelling.For your reference please
- Add your custom domain to Microsoft Entra tenant https://learn.microsoft.com/en-us/entra/fundamentals/add-custom-domain Explains how to add and verify a custom domain, including DNS TXT record steps.
- Manage and set primary domain in Microsoft Entra ID https://learn.microsoft.com/en-us/entra/identity/users/domains-manage Details how to set a verified custom domain as the primary domain for your tenant.
- Add a custom domain that you own (e.g.,
-
VEMULA SRISAI 1,725 Reputation points Microsoft External Staff Moderator
2025-11-05T04:02:56.7266667+00:00 Hello Computer Service Solutions ,I’m following up on my previous comment as I haven’t received a response. Please let me know if you need any additional information or assistance from my side.
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