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Troubleshooting Microsoft Teams Error caa70007 – Technipages


Error code caa70007 usually shows up when users launch Microsoft Teams. But it can also occur if the login process got stuck and failed. This issue is usually caused by incorrect network settings. If you’re looking for a solution to fix this problem, try the fixes we listed in this guide.

How to Fix  Microsoft Teams Error caa70007

Clear the Cache

Clearing the cache is one possible solution to fix error caa70007. Maybe all those files stored in the Cache folder are preventing you from launching Teams or logging in to your account.

  1. Right-click on the Teams icon in the taskbar if it’s visible there. Select Quit.
  2. Then type %appdata%Microsoftteams in the Windows search bar.microsoft teams cache appdata
  3. Locate and open the cache folders below. Delete all the files stored in those folders.
    • \%appdata%Microsoftteamsapplication cachecache.
    • \%appdata%Microsoftteamsblob_storage.
    • \%appdata%Microsoftteamsdatabases.
    • \%appdata%MicrosoftteamsGPUcache.
    • \%appdata%MicrosoftteamsIndexedDB.
    • \%appdata%MicrosoftteamsLocal Storage.
    • \%appdata%Microsoftteamstmp.
  4. Additionally, clear your browser cache if you also logged in to Teams on your browser.
  5. Restart your computer. Launch Team again and check if the error is gone.

Set Date and Time to Automatic

Not using the right date and time settings for your current location may trigger error code caa70007.

  1. Go to Settings → select Time and Language.
  2. Then click on Date and Time settings.
  3. Toggle on the following two options:
    • Set time automatically.
    • Set time zone automatically.date and time settings windows 10
  4. Restart your machine and launch Teams again.

Renew Your IP Address

Some users solved this problem by releasing their IP address.

  1. Type cmd in the Windows search bar, right-click on Command Prompt, and launch it as admin.
  2. Then type the following commands and hit Enter after each one:
    • ipconfig /release 
    • ipconfig /renewip config renew command prompt
  3. Launch Teams again and repeat the action that triggered error caa70007.

Disable Server Certification Revocation

On the other hand, other users solved the problem by disabling the Server Certification Revocation option.

  1. Type ‘internet options‘ in the Windows Search bar and open Internet Options.
  2. Then click on the Advanced tab and scroll down to Security.
  3. Uncheck the option called Check for server certification revocation.check for server certificate revocation
  4. Restart your computer and launch Teams again.

Enable All TLS Options

Additionally, other users fixed error CAA70007 by enabling all the TLS options. They’re available under Internet OptionsAdvancedSecurity. Simply check all the TLS boxes and restart Teams.

internet options enable TLS

Run the Compatibility Troubleshooter

Another solution to fix error code CAA70007 is to run the Compatibility Troubleshooter.

  1. Right-click on the Microsoft Teams icon and select Properties.
  2. Then go to CompatibilityRun Compatibility troubleshooter.run compatibility troubleshooter microsoft teams
  3. Select Try recommended settings.try recommended settings compatibility troubleshooter

Alternatively, you can also switch to Compatibility mode for Windows 8.

Rename the Crypto Folder

Some users suggested that renaming the Crypto folder may iron out this error. Apparently, Teams may sometimes fail to use the cached token.

  1. Enter the following path in the Windows search bar and press Enter:
    • %localappdata%PackagesMicrosoft.AAD.BrokerPlugin_cw5n1h2txyewyACMicrosoft.
  2. Then right-click the CryptnetUrlCache folder and rename it to CryptnetUrlCache_Old.cryptnetUrlCache folder microsoft teams
  3. Launch Teams again. The app will generate a new folder with a new token.

Rebuild the User Profile

If the user profile got corrupted or the current settings have not been correctly set up, try rebuilding the profile. The quickest solution is to simply delete the problematic profile and create a new one.



This post was written by Madalina Dinita and was first posted to Technipages



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