Sign-in & Login Problems

Fix Microsoft Login Redirecting to Login Page Without Callback

Khadija Khan Sep 30, 2026 869 views

Question details

The user needs to resolve an issue where a Microsoft Login integration fails to reach the configured callback URL and instead continuously redirects back to the login screen.

How to Fix Microsoft Login Redirecting to the Login Page Without a Callback

Product: Microsoft Entra ID (Microsoft Login)
Device & OS: not provided
Scenario: A developer or administrator is attempting to authenticate an application using a Microsoft Login integration, but the authentication flow fails.
Observed behavior: The login process never reaches the application's callback URL, suddenly dropping the request and returning the user directly to the initial login page.

Before you start

Ensure you have administrator access to the Microsoft Entra admin center and exact knowledge of the callback URI that your web application expects to receive after authentication.

Solution 1Recommended

Verify Redirect URIs in Microsoft Entra ID

Ensure that the callback URL configured in your web application exactly matches the redirect URI registered in the Microsoft identity platform.

The most common cause of a dropped callback in Microsoft Login integrations is a mismatch between the URI requested by the application and the approved list of URIs in Microsoft Entra ID. Even minor discrepancies like a missing trailing slash can cause the authentication to fail silently and loop.

Access App Registrations

Log in to the Microsoft Entra admin center, navigate to 'Identity', and select 'App registrations' from the left sidebar.

Select Your Application

Find and click on the specific application integration that is experiencing the redirect loop.

Open Authentication Settings

In the application menu under 'Manage', click on 'Authentication'.

Match the Redirect URIs

Under the 'Platform configurations' section, inspect your listed 'Redirect URIs'. Ensure the URI perfectly matches what your code sends (e.g., https://yourdomain.com/callback), paying close attention to http/https protocols and trailing slashes.

Verify Redirect URIs in Microsoft Entra ID

Exact Match Required: Redirect URIs are highly strictly validated. Wildcards are only supported in very specific scenarios, so providing the exact, literal string is highly recommended for stable login flows.

Solution 2

Review Entra Sign-in Logs and Network Traffic

Identify hidden HTTP errors or specific Entra failure codes by analyzing browser requests and identity monitoring logs.

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Frequently Asked Questions

Why does Microsoft login keep looping back to the sign-in screen?

This login loop is typically caused by mismatched redirect URIs, strict browser privacy settings blocking essential third-party cookies, or an incorrectly configured callback route within your application's code.

How long does it take for redirect URI changes to take effect in Entra ID?

Updates to App Registration settings, including adding or modifying redirect URIs, are usually instant but can occasionally take anywhere from a few minutes to an hour to fully propagate across the global Microsoft identity platform.

Can browser extensions cause Microsoft login callback failures?

Yes. Aggressive ad-blockers, privacy extensions, or browser settings designed to prevent cross-site tracking can inadvertently block the authentication tokens or cookies required to complete the Microsoft login callback, resulting in a redirect loop.

Where can I get specialized developer help for Microsoft Entra ID?

If standard troubleshooting fails, you can post your specific issue, along with correlation IDs from your sign-in logs, to the official Microsoft Entra ID Q&A forums for specialized developer assistance.

Login & Account Issues