Forum Discussion
Microsoft Teams desktop app- Error 503 + web and mobile not working
Anyone else experience Teams being down on all three > desktop/web/mobile? We are in the UK.
Certificate expired, should be resolved soon...
https://twitter.com/MSFT365Status/status/1224351597624537088
We've determined that an authentication certificate has expired causing, users to have issues using the service. We're developing a fix to apply a new certificate to the service which will remediate impact. Further updates can be found under TM202916 in the admin center.