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Home   Microsoft Office   How to fix microsoft teams error code – 80270301

How to fix microsoft teams error code – 80270301

Posted on November 13, 2021September 8, 2022 by SouthSide 2477 Views

How to fix microsoft teams error code – 80270301. Teams desktop sign-in error code – 0xCAA30194

“desktop-b7155f36-42c2-40cf-8706-61c30b93b223

Error code – caa30194

There’s a more permanent way to sign in to Microsoft Teams. If you’re having trouble completing the process, talk to your IT admin”

 

How to fix microsoft teams error code - 80270301
How to fix microsoft teams error code – 80270301

Our company has been using Teams  for a while, it works very well for me until today. I can’t sign in Teams desktop in my computer after I upgraded my OS from Win7 to Win10. But the funny part is that Teams web and Teams in my Phone(android)  are still working very well. The desktop Teams feedbacks with error code: 0xCAA30194, which is attached below. Can anyone help with it? Thanks in advance.

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Table of Contents:

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  • Method 1
  • Method 2:

Method 1

For such an issue, you can first try to clear Teams cache in your PC to see if it helps for your dilemma:

1) Fully exit the Microsoft Teams desktop client.
2) Go to File Explorer, and type in %appdata%\Microsoft\teams.
3) Once in the directory, you’ll see a few of the following folders:

a. From within ‘Application Cache’, go to Cache and delete any of the files in the Cache location.
   *   %appdata%\Microsoft\teams\application cache\cache
b. From within ‘Blob_storage’, delete any files that are located in here if any.
   *   %appdata%\Microsoft\teams\blob_storage
c. From within ‘Cache’, delete all files.
   *   %appdata%\Microsoft\teams\Cache
d. From within ‘databases’, delete all files.
   *   %appdata%\Microsoft\teams\databases
e. From within ‘GPUCache’, delete all files.
   *   %appdata%\Microsoft\teams\GPUcache
f. From within ‘IndexedDB’, delete the .db file.
   *   %appdata%\Microsoft\teams\IndexedDB
g. From within ‘Local Storage’, delete all files.
   *   %appdata%\Microsoft\teams\Local Storage
h. Lastly, from within ‘tmp’, delete any file.
   *   %appdata%\Microsoft\teams\tmp

4) Restart Teams client.

 

If clearing cache cannot resolve your problem, we’d like check the error log from you so that we can analyze your situation further. I will generate a private message for you, please kindly check the email notification later.

 

 

Method 2:

I had the same issue and this fix the problem for me.

 

Upon looking deeper into the Teams log, it was noticed that the runtime failure was causing because of the file not found errors related to all 4 JSON files in the Teams installable location below. Though the json files were exist on that location but I assume that they may have got corrupted. I have deleted all 4 json files along with logs file from this location and restart the Teams, sign in and BOOM!!. All the 4 Json files and a log file has been re-created and no issues logging into Teams since then

 

%appdata%\Microsoft\teams

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