
Fix Microsoft Teams Connection Refused on Startup
When you start Microsoft Teams and see a 'connection refused' or 'can't connect' error, it's usua...
Software troubleshooting desk

When you start Microsoft Teams and see a 'connection refused' or 'can't connect' error, it's usua...

You start OneDrive sync and see a 504 Gateway Timeout error. This usually means the sync request ...

You're in a meeting or trying to access a channel, and Microsoft Teams throws a 504 timeout error...

You open Microsoft Store and see an error message like “Check your connection” or the store fails...

When you see a 502 Bad Gateway error from Nginx, it means Nginx could not get a valid response fr...

After a Windows Update, you might see a Windows Defender error related to DNS—often something lik...