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sKype for Business and MFA issue

Shahin Mortazave 491 Reputation points
2020-09-14T09:56:45.01+00:00

Hi,

We have enabled the modern authentication on our O365 tanent and now we can configure outlook 2019 client with MFA, but when open the Skype for businnes on the same machine after login see a red X that says should login to my mailbox, but when enter email address and password nothing heppens and still see the same red X in sKype for Business
We have an Lync 2013 server in our on-premise, and our exchange is office 365.

Any seggestion?

Microsoft 365 and Office | Skype for Business | Windows
Microsoft 365 and Office | Skype for Business | Windows

A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.

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  1. Shahin Mortazave 491 Reputation points
    2020-09-16T08:34:43.073+00:00

    Problem has been resolved. I had to add the "AllowAdalForNonLyncIndependentOfLync" registery key to the mobile device and after that everything works

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  2. JimmyYang-MSFT 58,776 Reputation points Moderator
    2020-09-15T06:29:58.577+00:00

    Hi @Shahin Mortazave !

    Do you mean you cannot login in Lync client normally?

    Could you provide screenshot about your error messages in your client?

    Have you integrated your Lync on-premise server with Exchange Online successfully?
    In this case, we recommend you use ctrl+RIGHT click your Lync client icon and check your “Confguration information” to see if the EWS status is OK. If the status is not normal, please check if you have configured Shared SIP Address space for both Lync Serve and Exchange online service.

    For more details about how to do it, you can refer to:

    https://learn.microsoft.com/en-us/lyncserver/lync-server-2013-configuring-on-premises-lync-server-integration-with-exchange-online#:~:text=To%20integrate%20on%2Dpremises%20Lync,and%20the%20Exchange%20Online%20service.

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