Forum Discussion
tylersuardparker
Jun 10, 2024Copper Contributor
CoreError::CDL_WORKER_FAILURE
I couldn't find this error message anywhere. I try to use the online Teams and I get this error message.
IT_Support247
Aug 31, 2025Copper Contributor
Quick Fixes
Refresh or Restart Teams
Click the Restart button on the page.
Or, press Ctrl + F5 (hard refresh) in your browser.
Clear Browser Cache & Cookies
In Edge/Chrome: Ctrl + Shift + Delete → Clear cache + cookies.
Then log back into Teams.
Try a Different Browser / InPrivate Mode
Open Teams in InPrivate / Incognito mode.
Or try another browser (Edge, Chrome, Firefox).
Check Internet & VPN
Make sure your connection is stable.
If you’re on a VPN, try disconnecting and reloading Teams.