Unlike eSSO, it does not require deployment on. ) It’s a more secure and reliable way to sign in to Microsoft Teams. The one tenant we migrated from a Small Business Server 2011 in September of last year.
Summary The popularity of Microsoft Teams is growing rapidly and one of its big attractions is the way it can be integrated into other popular Microsoft software programs. Teams wam authentication Have these users added their Office 365 accounts in Settings > Accounts? If so, please try to disconnect the account and clear Teams desktop cache to check if it works.