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Microsoft Teams
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 22%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKY%3C/text%3E%3C/svg%3E)
Hi,
If this issue only occurs on several users, I would suggest first checking if the licenses of the users are expired as Patchfox mentioned.
You can also use the Teams diagnostic tool to check what may be the cause.
Sign-in test direct link: https://aka.ms/TeamsSignInDiag
(You may need to use an admin account which has access to Microsoft 365 admin center)
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