Upn change also changes primary smtp?

vijeth kharvi 0 Reputation points
2023-03-13T20:15:21.69+00:00

We changed upn in on prem directory but that also changing smtp primary address? How it is possible?

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Exchange Server
A family of Microsoft client/server messaging and collaboration software.
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  1. Andy David - MVP 139.8K Reputation points MVP
    2023-03-13T20:35:14.3066667+00:00

    Hi, that will happen if you have an email address policy:

    https://learn.microsoft.com/en-us/exchange/email-addresses-and-address-books/email-address-policies/eap-procedures?view=exchserver-2019

    Look through that doc and see if you have one set

    1 person found this answer helpful.