We have issue on Teams both client & WebReceiving this error "calls and meeting are unavailable due to an error,try restarting Teams or talk to your admin"

can help you regarding this problemsince it works fine in the web app, then there is no problem in your account or permissions, it lays in the app.You might want to clear the Teams app cache as well, a normal uninstall do not delete all the leftovers and cache/The steps are mentioned by a Microsoft Agent college in another post, please test them and let us know if this helps:https://answers.microsoft.com/en-us/msoffice/fo...Feel free to ask back any questions and let us know how it goes.

calls and meeting are unavailable due to an error,try restarting Teams or talk to your admin

Lewis-H
Iron Contributor
Jul 24, 2020
can help you regarding this problem

since it works fine in the web app, then there is no problem in your account or permissions, it lays in the app.

You might want to clear the Teams app cache as well, a normal uninstall do not delete all the leftovers and cache/

The steps are mentioned by a Microsoft Agent college in another post, please test them and let us know if this helps:
https://answers.microsoft.com/en-us/msoffice/fo...

Feel free to ask back any questions and let us know how it goes.
- limson louise
  Brass Contributor
  Jul 24, 2020
  Thanks the given URL is no more validLewis-H
  
  I already deleted files from Teams cache folder , still same issue
  - limson louise
    Brass Contributor
    Jul 26, 2020
    I was able to find the root cause of this issue.This was due to Citrix HDX component for Teams
    
    https://support.citrix.com/article/CTX253754#:~:text=Citrix%20HDX%20Not%20Connected%20means%20Teams%20loaded%20the,Citrix%20HDX%20Teams%20Redirection%29%20or%20in%20Workspace%20app.

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calls and meeting are unavailable due to an error,try restarting Teams or talk to your admin

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