Fix: ‘Microsoft Teams Error Code CAA50021’ issue

This article will show you how to Fix ‘Microsoft Teams Error Code CAA50021’ issue. Microsoft offers a number of apps to its users, such as Microsoft Teams, Outlook, OneDrive, and more. All of these apps are part of the Office 365 app suite. Most of the time, organizations use these apps to help them manage their resources better. Recently, a number of Microsoft Teams users have said that they are having trouble getting back into their accounts. Every time they click the login button, they get the error number CAA50021, and if they keep clicking it, they get the message “Number of retry attempts exceeds expectations.”

Microsoft is the host of important services like Excel, Outlook, and Microsoft Teams, which make work easier. But users seem to be having trouble because they get an error message with the code CAA50021 when they try to sign in to the Teams app. Reports say that pressing the login button over and over again makes the problem worse, and they get a message saying that the number of retry attempts is too high. If this sounds like something you’ve been through, you’ll want to keep reading to find a solution. If you want to know more information about this Visit Official Microsoft Website for further Support.

Microsoft Teams is a popular platform for business collaboration that is based on chat. You can chat with other people, join a meeting, share documents online, and so on with this program. When you try to get into Microsoft Teams, you may get the CAA50021 error code if it doesn’t work. There are many things that can cause the Microsoft error code CAA50021. If it happens, you should do something to Fix ‘Microsoft Teams Error Code CAA50021’ issue. Here are some ideas for what you can do.

Tweak The Credentials

1. Go to the Search bar in Windows.
2. Then start Credentials Manager.
3. Then read over the “Generic credentials” section.
4. Then, right-click msteams_adalsso/adal_context_segments and delete this generic credential.
5. After that, turn the PC back on.
6. Now, check to see if the error is still happening.

Disable your Antivirus for the Time Being

Error codes CAA50021 and CAA50024 show up on Teams because of problems with antivirus software. If this is the case, temporarily turning off your antivirus software might help.

1. Click on the Start Menu icon.
2. Type Windows Security into the search box, and then click Open.
3. Click on Public Network after choosing Firewall and Network Protection.
4. Find the Microsoft Defender Firewall button and press it to turn it off.

Re-Register The Device With Azure AD

If the registration for your device has expired, you might get this error. Re-registering the device will fix the problem.

1. Start Command Prompt on the computer you want to remove from the list.
2. Then type dsregcmd /leave into the command line.
3. Then you need to remove the entries for MS-Organization-Access and MS-Organization-P2P-Access from the certificate store.
4. Then type dsregcmd /status and make sure that AzureAd Joined is set to “No.”
5. Then, open the Task Scheduler.
6. Then, go to the Library.
7. Decide on Microsoft.
8. After that, pick Windows.
9. Pick “Workplace Join.”
10. Then start the task called Automatic-Device-Join.

Connect your Device to a School or Work Account on Microsoft Teams

The error messages might also go away if you link the device where you are using MS Teams to an account at school or work. Here’s what you need to do:

1. Select Settings by clicking the Windows key.
2. Choose Accounts from the list on the left, and then choose Access Work or School from the list on the right.
3. Click “Connect” next to “Access Work or School.”
4. Just follow the on-screen instructions to connect your device to Azure.

What is Microsoft Teams Error Code CAA50021?

Microsoft Teams Error Code CAA50021 is an error that occurs when there is an issue with the authentication process in Microsoft Teams. This error typically occurs when the user is trying to sign in to Teams and is unable to authenticate their account successfully. The error message associated with this code may vary, but it usually indicates a problem with the user’s credentials or the authentication service. Some possible reasons behind the Microsoft Teams Error Code CAA50021 include:

1. Incorrect credentials: The user may have entered incorrect login credentials, such as an incorrect email address or password.
2. Account restrictions: The user’s account may have certain restrictions or policies in place that prevent them from signing in to Microsoft Teams.
3. Connectivity issues: There may be temporary network or connectivity issues that prevent the authentication process from completing successfully.
4. Expired or revoked token: The authentication token used by Microsoft Teams may have expired or been revoked, requiring the user to reauthenticate.
5. Server or service issues: There may be temporary server or service issues on the Microsoft Teams side that are causing the authentication process to fail.