Can't auth to a @microsoft account using Teams App CLI: security policy is preventing access

[therealjohn]

Describe the bug
Some users are getting a new issue trying to use the CLI to login with their @microsoft account:

To Reproduce
Steps to reproduce the behavior:

teamsapp auth login m365 and use your corp account.

Expected behavior
Successful login.

Additional context
I cannot reproduce the problem, but others are having the issue.

[teams-toolkit-assistant]

👋 Hi @therealjohn,

Thank you for reporting this issue! We want to let you know that:

⏱️ Our team will personally review your issue
🎯 You can expect a response within 2 business days

✨ This is an AI-generated initial response
🤖 AI-Generated Preliminary Analysis:

The issue you're encountering with authentication using the Teams App CLI might be due to several factors, including environment-specific settings or corporate security policies. Let's explore some potential solutions based on troubleshooting steps and proposed solutions found in the search results.

Steps to Resolve the Issue

1. Check for Proxy or VPN Settings:

   • Ensure that the users facing the issue are not behind a proxy or using a VPN that might be blocking the authentication request. Proxy settings can sometimes interfere with network requests required for authentication.

2. Environment Variables:

   • Set the necessary environment variables before running the teamsapp auth login m365 command. Specifically, ensure that M365_ACCOUNT_NAME and M365_ACCOUNT_PASSWORD are set. This can help bypass the interactive login prompt.
   • Example:

     export M365_ACCOUNT_NAME=your_m365_account_name
     export M365_ACCOUNT_PASSWORD=your_m365_account_password

3. CI Mode Configuration:

   • If you are running the login command in a CI/CD pipeline, ensure that the CI_ENABLED environment variable is set to true to prevent the CLI from requiring interactive login.
   • Example:

     export CI_ENABLED=true
     export M365_ACCOUNT_NAME=your_m365_account_name
     export M365_ACCOUNT_PASSWORD=your_m365_account_password

4. Use of Service Principal:

   • If your organization uses service principals for automation, try logging in using a service principal instead of a user account. This can help avoid issues related to interactive login prompts.
   • Example:

     teamsapp auth login azure --service-principal -u $AZURE_ORG_APP_ID -p $AZURE_ORG_PASSWORD --tenant $AZURE_ORG_TENANT_ID --interactive false

5. Network Accessibility:

   • Verify that the users can access the login URL directly from their network. Sometimes network restrictions can prevent access to Microsoft login endpoints.

6. Error Logs and Screenshots:

   • Review the error logs and screenshots to identify any specific error messages or codes. This can provide more insight into what might be going wrong.

Additional Resources

• GitHub Issue: Need to restart the debug session for a few times before a successful launch
• Multi-tenancy Support for Azure AD app

Conclusion

If the issue persists after trying the above steps, please provide more details, such as specific error messages or codes, and any relevant logs. This will help in further diagnosing the issue.

For further assistance, you can also refer to the official Teams Toolkit documentation and the GitHub issues page for additional troubleshooting and support.

If you have any other questions or need further clarification, feel free to ask!

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Note: This is an automated first response generated by AI. A human team member will review your issue and provide a more detailed response soon. We appreciate your patience!

[xzf0587]

Hi @therealjohn,
Since we cannot repro it as well, is there any more information about this issue?
Maybe user can try to login m365 in TTK extension of VS Code? We can figure out whether it is an account problem or problem related to different TTK platforms.