Forum Discussion

Brass Contributor

Mar 21, 2019

UPN sync changes $ to _

So, I have a weird situation. I have a customer that starts all their admin accounts with $ in the username and UPN. We've noticed that when we sync these accounts to O365, the $ is changed to _, w...

office 365

ChrisHoardMVP

MVP

Mar 21, 2019

Raechel Moermond

This is by design, see article

https://support.microsoft.com/en-us/help/2001616/a-user-s-office-365-email-address-unexpectedly-contains-an-underscore

Even through dollar ($) is not explicitly on this list the list itself is not exhaustive and can be expected to extend to other special characters such as Pound (£) Hash (#) and Brackets ([]). I myself have experienced this with Dollar, Hash and Ampersand.

I would recommend what you said - remove these types of special characters completely and change them to something supported like ADM_username

Hope that answers your question

Best, Chris