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James1
Brass Contributor
Sep 02, 2019
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External connectivity not working for older Azure AD users

Hello everyone,   As title says we have issues with external connectivity for Azure AD users.   Some time ago we switched to MS Teams, and to make user life a bit easier we integrated on-prem AD ...
  • James1's avatar
    James1
    Sep 06, 2019

    Hello and thanks to everyone that contributed to this post.

     

    I managed to find the issue. It was indeed related to previously used Skype for Business. When a SFB user is created, a certain attributes are added. And those stay until they change (for example if user migration are used ((didnt work for us since SFB servers were deleted)) or until they are removed.

     

    What happened was there was a conflict with those attributes. Teams "thought" that we still use SFB due to these previous SFB msRTC attributes. Once removed after a while External connectivity appeared.

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