Click on the Restart button, if it does not work, restart your Teams Application try again,
Check your internet connectivity.
If that does not work, clear the cache of teams and try again: %appdata%\Microsoft\Teams
Try accessing teams on the web: https://teams.live.com
If nothing works, as stated in the error message: reach out to your IT admin.
You also get the following error when browsing the web: “Modern authentication failed here again, you can still trust yourself.” 4c7 is your status code.” Microsoft Teams requires forms authentication, which often causes this issue. Intranet forms authentication is typically disabled by default when you implement AD FS.
Check for a bug in the Teams sign-in screen code. If the exchange is listed here, follow the guide you brought with you to fix the error. If the code is not listed here, why am I having trouble signing into Microsoft Teams? Make sure the user has Internet access.
Their recognition code is 4c7. This setting is not enabled by default for intranet ADFS implementation, which is unbelievable, it needs to be enabled manually. Read on to find out exactly what you need to do to enable them. How to fix error 4c7 in Microsoft Teams?
If you have any technical support feedback for TechNet subscribers, please contact [email protected]. Click here for details. Visit the dedicated forum and share, learn, and discuss with Microsoft health gurus about Teams. Thank you two. Two additional questions. 1. I’ve seen other people get a Modern Authentication error, but one of them doesn’t work with the error code I’m getting.
What is error code 4c7 Microsoft teams?
The issue is caused by subscribers trying to connect to Microsoft Teams from the corporate network due to Active Directory Federation Services (ADFS) running very frequently. This will prevent customers from logging in and will also result in a Modern Certification failed here error message, but they will still be able to log in.
How do I fix status code 4c7 Microsoft teams error?
Is your status code 4c7? Microsoft error in Teams….Resolution In the navigation pane, see Authentication for Policies. In the Actions section of the details pane, select Change Global Primary Authentication. On the Intranet tab, select Forms Authentication. Select “OK” (or “Apply”).
What does error code 4c7 mean in Microsoft Teams?
This is a common way to deploy a software package in an organization, but sometimes problems can arise. Error code 4c7 is another sign-in error and users who sign in to Microsoft Teams with some kind of AD (Active Directory) using your name are facing account information technology. Unfortunately, this error cannot be corrected by the end user.
How do I fix error code 4c7 on Microsoft Teams Windows 7?
How to fix Microsoft Teams error 4c7?

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.