After a period of monitoring, Microsoft have confirmed that the service is performing as expected. If you are still experiencing impact, including ‘Int’ text on top of your profile picture, please restart Teams.
Normal Access to Ms Teams should be restored now by Microsoft.
Apologies for any inconvenience this may have caused.
Microsoft have updated this to clarify impact… “Degraded chat functionality. Users may experience degraded chat functionality. More info: Impacted functionality includes, but is not limited to: - Can’t send or receive messages - Some Channels may not appear - Can’t join channels - Can’t join chats”
They have started to resolve this Global issue
Microsoft have issued an alert for people accessing Ms Teams via web browsers. Client access appears to be working normally.