Anything to consider for Dynamics 365 users when their UPN is changed in Azure?

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Posted on by Ihno

Dear all,

our M365 admins plan to switch the domain part of the UPN for all users (let's say, from username@old_url.net to username@new_url.net).
I'm a D365 admin but not M365 - and my concern is that there might be trouble with updating the "username" field in the Dataverse "systemuser" table

I have already found https://community.dynamics.com/crm/f/microsoft-dynamics-crm-forum/209209/user-name-update/551184 but found it a) confusing as there was ambiguous advice and b) too old (5y) - so it didn't really help

Can anybody judge what impact the UPN change has on the D365 world - and what we have have to consider in Dynamics 365 to make the change smooth to the users?

Thanks and best regards
Ihno

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Ihno 32 on at

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Dear all - in the meantime we have performed a test that looks promising:

* Changed a username from testuser@old_url.net to testuser@new_url.net in Azure

* Looking at the table "systemuser", the "username" field has been changed

* Login works as expected with the new username

* Looking at the table "mailbox", the "email-address" field already had the new_url before, so I guess there will be no impact

However - if you have any further annotations or hints - maybe about things I didn't consider , I'd be glad to receive your feedback!

Thanks a best regards

Ihno

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Jiban 2 on at

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Hi

What happens to the security roles configuration when UPN is changed? Person is able to login but doesn't get the security role and hence permission issue comes.

Thanks,

Jiban

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Ihno 32 on at

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Hi Jiban,
we didn't have problems with the security roles - from my experience they only get 'lost' when you change the BU.
However, our change was 3y ago... ;-)
Best regards,
Ihno

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