Error code 4c7 is a sign-in error and users who sign in to Microsoft Teams with an AD (active directory) account encounter it. Unfortunately, this error isn’t something that an end-user can resolve. If you’re seeing this error, you need to talk to your system administrator and tell them to try these fixes. 1. Check Teams is enabled
Error code 4c7 is a sign-in error and users who sign in to Microsoft Teams with an AD (active directory) account encounter it. Unfortunately, this error isn’t something that an end-user can resolve. If you’re seeing this error, you need to talk to your system administrator and tell them to try these fixes.
You also receive the following error message: “The modern authentication below failed, but you may still notice it. Is your status code 4c7?” Microsoft Teams requires forms authentication, which may be causing this issue. Intranet forms authentication is typically disabled by default if you are implementing AD FS.
In fact, you can’t sign in to Microsoft Teams if you’re signed in from a commercial organization that has FS installed. Additionally, you receive the following Marketing authentication error: Modern authentication failed, but you can still sign in. Your status code is 4v7. Cause This error occurs in Teams because Microsoft requires forms authentication.
Your status code is 4v7. This setting is not enabled by default for an intranet ADFS deployment, so it must be manually enabled. Read on to find out exactly how to enable it. How to fix error 4c7 in Microsoft Teams?
Check for a bug in the Teams sign-in screen code. If the code is indeed listed here, follow the given tips to fix the error. If the code isn’t listed here, see Why am I having trouble signing into Microsoft Teams? Make sure the specific user has Internet access.
How do I fix error code 4c7 on Microsoft Teams Windows 7?
How to fix error 4c7 in Microsoft Teams easily?
What is error code 4c7 Microsoft teams?
The issue is undoubtedly caused by users trying to connect to Microsoft Teams from a live corporate network running Active Directory Federation Services (ADFS). This may prevent you from logging out and also shows my “Modern Authentication Failed” error message, but you can still barometer.
How do I fix status code 4c7 Microsoft teams error?
Is your status code 4c7? Errors in Microsoft Teams…. In permission, navigate to Authentication Policy in the navigation bar. In the Actions section of the Edit Details panel, select 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 an easy way to use a company wide application, but it can be tedious at times. The 4c7 error mode is a sign-in error experienced by users who sign in to Microsoft Teams using an Active Directory (AD) page. Unfortunately, this error in the manual will not be corrected by the end user.
How do I fix error code 4c7 on Microsoft Teams Windows 7?
How to fix Microsoft error 4c7 in Teams?
What is error code 4c7 Microsoft teams?
The headache is caused by users trying to connect to Microsoft employees on a corporate network running Active Directory Federation Services (ADFS). This will prevent you from logging in, and will also result in an error message from someone saying modern authentication failed, but you should 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… Solution Navigate to Authentication Policies in the navigation bar. In the Actions section of the details pane, select Restore 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 the standard way to deploy a software application in an organization, but sometimes problems can arise. Error code 4c7 is a real sign-in error and users who sign in to Microsoft Teams with a good Active Directory (AD) account are encountering the site. Unfortunately, this error cannot be corrected by the end user.

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.