WIERD ISSUE

Sree 1,971 Reputation points
2021-11-08T03:37:09.263+00:00

Migration users onto new domain, but trying to connect back to O365 tenant in source domain. UPN is set to @keyman .com (needed for OKTA integration) and primary smtp set to @Company portal .com

When launching Outlook and trying to connect to @Company portal .com address, Outlook just looping.

it is Happening on migrated account
I see No error, just lops back round

Windows 10/Outlook 365
I Tried removing all local GPO. Also tried routing through another proxy. Can access OWA through browser fine and can also log into Team using @Company portal .com address. Seems to be a problem with autodiscover.

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Accepted answer
  1. Kael Yao-MSFT 37,496 Reputation points Microsoft Vendor
    2021-11-09T02:08:33.423+00:00

    Hi @JustinMicheal-7973

    Have you tried recreating the Outlook profiles for the migrated users?
    If haven't yet, please have a try and see if it can help with this issue.

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