Any impact on the client credentials flow?

[LXBdev]

See also https://stackoverflow.com/questions/59677741/actual-impact-of-deprecation-of-login-microsoftonline-com-for-b2c-tenants

New tenants created after this announcement will no longer be able to accept requests from login.microsoftonline.com.

My main concern is: How will this affect the client credentials grant? As far as I can see, this is only supported via login.microsoftonline.com.

Will the "Azure AD functionality" continue to work with login.microsoftonline.com indefinitely? If so, where can I draw the line of what this actually means?

I have created a new B2C tenant after the announcement. So far, everything works, even the B2C user flows via login.microsoftonline.com. The only difference at the moment is that I don't get the domain selection when I click on "run user flow".

My current understanding would be that "everything that uses B2C policies must use b2clogin.com" - everything else must continue to use login.microsoftonline.com.

Is this correct?

---

Document Details

⚠ Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.

• ID: 89933f39-e8c4-32fd-736a-9f258cbcdaba
• Version Independent ID: 9560563b-23d1-c0f7-a6c0-d7526f97d93e
• Content: Migrate applications and APIs to b2clogin.com - Azure AD B2C
• Content Source: articles/active-directory-b2c/b2clogin.md
• Service: active-directory
• Sub-service: b2c
• GitHub Login: @mmacy
• Microsoft Alias: marsma

[KrishnaG-MSFT]

@LXBdev Thanks for your comment! We will review and provide an update as appropriate.

[amanmcse]

@LXBdev Use of b2clogin.com is enforced for b2c functionality only. Client Credentials flow is not supported for B2C Applications. Since the App registered via App Registration under Azure AD B2C, can also be used for standard Azure AD as well which supports Client Credentials flow. For standard AAD functionality, use of b2clogin.com is not applicable and requires login.microsoftonline.com only.

For more details, refer to: https://docs.microsoft.com/en-us/azure/active-directory-b2c/active-directory-b2c-apps#daemonsserver-side-applications

Hope this helps clarifying your doubt.

I am proceeding with closure of this thread. Feel free to tag me in your reply if you have any further questions.