Jan 18 2017 03:07 AM
Jan 18 2017 03:58 AM
Your tenant may need to be enabled for MFA with Skype for Business, it's not enabled by default. When we did our MFA testing, we ran into problems with the mobile experience that were solved by enabling this. It's worth ruling out if nothing else. Here are the details:
It involves running some PowerShell on the tenant, checking the current state, if ClientAdalAuthOverride isn't set to allowed already then run Set-CsOAuthConfiguration -ClientAdalAuthOverride Allowed.
Jan 18 2017 04:42 AM
Thanks you put me on the right track and found this article.
Mar 01 2017 06:20 AM
I'm in the early stages of implimenting MFA. The account that I enable can't login to Skype now. I I follow the steps in Skype for Business Online: Enable your tenant for modern authentication, will that accect my other Skype users that aren't MFA enabled?