Marcus Hass' [MS] Blog

Interesting tidbits about Microsoft Office 365 and other products. Occasional rants about travel, gaming and gadgets.

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  • Blog Post: Renaming a UPN to another federated domain

    During an ongoing Office 365 deployment, we identified an issue with Office 365 customers not being able to change a user’s UPN if both UPN’s are in federated domains. We have identified and validated a work-around, please see the guidance below. Thanks to Dmitry Kazantsev for help in the write-up, this...