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EntraID Auth methods blade error

MReed 36 Reputation points
2026-03-10T23:48:17.9533333+00:00

Anyone else getting this error below when attempting to access the auth methods blade?

This started occurring last week. This occurs in edge and chrome - inprivate browsing as well.

It does not occur off of our network. Gotta be a firewall issue.

I thought it might be that i hadn't yet added graph.microsoft.com to our proxy policy.

But that just crashed the page entirely after adding.

Any thoughts?

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Microsoft Security | Microsoft Entra | Microsoft Entra ID

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  1. Raja Pothuraju 47,160 Reputation points Microsoft External Staff Moderator
    2026-04-06T09:17:56.43+00:00

    Hey there, it definitely looks like your firewall/proxy is blocking one (or more) of the REST calls that the Entra ID “Authentication methods” blade uses under the covers. Behind the scenes the portal calls Microsoft Graph and a handful of related endpoints to gather a user’s auth-method settings, so letting just graph.microsoft.com in isn’t always enough—and if you’ve only allowed that host, you can end up with a broken page.

    Here’s what I’d try next:

    1. Open your browser’s DevTools (F12), go to the Network tab, then reload the Authentication methods blade.
      • Look for any requests that end up in red (4xx/5xx or blocked).
      • Note the exact hostname(s) and URL paths that are failing.
    2. Whitelist all of the following (at a minimum):
    3. Clear your browser cache (or try a fresh InPrivate/Incognito tab once more), then reload.
    4. If the page still errors out, capture the blocked requests in your proxy logs or browser devtools and share the list of hostnames/methods that failed.

    That process will tell you exactly which call is being blocked so you can add it to your allowlist. Once those endpoints are unblocked, the Authentication methods blade should load normally.

    —————————————————————————————————

    Follow-up questions in case you still see trouble:

    1. When you open F12 → Network, which specific hostnames/endpoints are failing? (post a screenshot if you can)
    2. Do you see any CORS errors or 401/403 codes in the console?
    3. Is this happening for all users in your tenant or just your account?
    4. Any chance you have Conditional Access policies that block Graph calls from unmanaged networks?

    References:

    Note: This content was drafted with the help of an AI system. Please verify the information before relying on it for decision-making.

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  2. Sridevi Machavarapu 26,995 Reputation points Microsoft External Staff Moderator
    2026-03-13T09:07:32.8233333+00:00

    Hello MReed,

    Since the issue occurs only when accessing the portal from your network and works when off the network, it likely points to a firewall or proxy restriction.

    The Authentication methods blade retrieves data through Microsoft Graph. If those requests are blocked or modified by a proxy/firewall, the portal may show a generic error like the one in the screenshot.

    You can check that the following endpoints are allowed in your firewall or proxy:

    If your environment uses HTTPS/SSL inspection, try excluding Microsoft cloud endpoints from inspection, as it can interfere with these requests.

    You can also open Developer Tools (F12) in the browser → Network tab, refresh the page, and check if any requests to graph.microsoft.com are failing or blocked.

    Since you mentioned the page crashed after adding graph.microsoft.com to the proxy policy, it would be helpful to review how the proxy is handling that traffic.

    Hope this helps! If you still have further queries on this, feel free to reach out in "Comments" section.

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