
Microsoft Teams Version Mismatch Checklist for IT Admins
When users in your organization see errors like “You’re using an older version of Teams” or can’t...

When users in your organization see errors like “You’re using an older version of Teams” or can’t...

You open Chrome and notice extensions are grayed out or show a 'Cannot connect to extensions' err...

You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

If you're reinstalling Windows and see an activation error saying your token has expired, you're ...

If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....

After a recent update, Microsoft Teams may get stuck on the loading screen. This typically happen...