Accessing Microsoft Teams using organizational or personal credentials
Hi JoVuon,
Sorry you’re going through this issue. I appreciate you sharing the details and the screenshot.
As a forum moderator, I genuinely wish I could directly access your account or review the backend systems to diagnose and resolve this issue for you. However, our role here is limited to providing general guidance by offering clear next steps, sharing applicable resources, and directing you to the appropriate support channels so you can work with the right team to investigate further.
Since a support ticket has already been raised with Microsoft, hopefully their internal team can review the backend logs and help identify what is preventing the newly created users from accessing Teams.
In the meantime, while Microsoft continues to investigate, could you please try the following checks?
1/ Test with a different network
- Please ask one of the affected users to access Teams using a mobile hotspot instead of the corporate network.
- This can help confirm whether the issue is related to the company network, firewall, proxy, DNS, or any traffic inspection configuration.
2/ Check Microsoft Teams org-wide settings
- Go to Microsoft 365 Admin Center > Settings > Org settings > Microsoft Teams
- Then make sure the following options are enabled:
- Turn on Microsoft Teams for all users
- Allow guest access in Teams
-
- Save changes
After confirming or updating these settings, please allow some time for the change to take effect, then have the affected users try accessing Teams again.
If the issue persists after these checks, I would recommend continuing to work with Microsoft Support so they can further investigate from the backend side. Since authentication appears to be successful, they should be able to review internal Teams service logs and confirm whether the affected new users are being properly provisioned for Teams access.
I hope this issue gets resolved soon. Should you have any other questions, please feel free to share them in the comment below. I'm very happy to help.
Thank you again for your patience and understanding.
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