Forum Discussion
Azure Active Directory, Change default username to custom domain
Hi, this is most likely happening because your User Principal Names in your on-premises AD are set to username@domain.local instead of your custom email domain.
If this is the case, what you will need to do it add your custom domain in as an additional UPN suffix in Active Directory domains and trusts, and then change your users UPN's in AD Users and Computers.
Once this is done, AD sync will set the correct UPN in O365. Try this for one or two of your users first to test it out I would say.
Hope this helps.
Hi, this is most likely happening because your User Principal Names in your on-premises AD are set to username@domain.local instead of your custom email domain.
If this is the case, what you will need to do it add your custom domain in as an additional UPN suffix in Active Directory domains and trusts, and then change your users UPN's in AD Users and Computers.
Once this is done, AD sync will set the correct UPN in O365. Try this for one or two of your users first to test it out I would say.
Hope this helps.
PeterRising
I do apologize for replying late. Sorry I was so busy with the migration activity.Thank you so much for your feedback.
