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RyanGraf-0498 asked MarileeTurscak-MSFT edited

Azure B2C Front Channel Logout Debugging

We are currently working on setting up Front-channel logout for a number of our applications. We are having issues debugging. The documentation states that the front-channel logout url will be opened in a hidden iframe.

We have a logout url setup in the app registration but it seems as if that url is not being called.

Is there any policy settings that need to be done for the front-channel logout url to be called?

Any tips for debugging are appreciated

azure-ad-b2c
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If you capture a trace using Fiddler or Browser Tools (F12), what is the response you see using a GET request to your front channel logout url?

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Hi @RyanGraf,

If you capture a trace using Fiddler or Browser tools (F12), you can check what response you see for a GET request to your front channel logout url.

Additionally, I found a recent Github issue that looks like it might be related to your problem and was resolved yesterday.

A user was running into a similar issue and was able to resolve it by updating to the latest MSAL package and changing the redirect URI to http://localhost:4200.

There are also some workarounds on this post that may help.

Let me know if this helps at all and if you are still facing this issue. If it's easier to connect over email I'm happy to continue the discussion that way as well.

Marilee


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