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App stoped working for GCC High clients

mobile 0 Reputation points
2026-02-27T06:52:13.66+00:00

I have an iOS app integrated with Intune SDK. As part of Intune SDK update to 21.1.0, we had to use the AppId and redirect URL in the code base (As per this announcement- #569). We have used the multi-tenant app registered in our commercial Entra tenant for this.

Prior to this update, our Intune-integrated app was working for all customers, including Commercial and GCC High tenants. However, after the update, GCC High customers are blocked to login to our app because the AppId used in our app is commercial.

Do we need to create a GCC High tenant, register a new AppId in it and use this configuration in our code base to enable GCC High users to access our app?

Microsoft Security | Intune | Microsoft Intune iOS
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  1. Prathista Ilango 910 Reputation points Microsoft Employee
    2026-03-27T07:26:29.3633333+00:00

    Hello **mobile,
    **Hope you got this sorted already. If not, try registering the app in a GCC High Entra tenant and configuring the app to authenticate using the GCC High–specific app ID and redirect URI and validate this by testing authentication with this GCC High–registered app.

    Prior to Intune SDK 21.x, apps might still function even if the SDK was not explicitly configured with an Entra app ID and redirect URI. Starting with SDK 21.0.0+, this configuration is now more strictly enforced, and the SDK consistently uses the specified Entra app registration for authentication.

    The behavior you’re observing may be related to this change. GCC High is a sovereign cloud, and a commercial Entra app registration might not be able to authenticate GCC High users. This scenario may have appeared to work prior to SDK 21.x, as this enforcement might not have been applied consistently earlier.

    Hope this helps!

    If you found the information above helpful, please Click Yes. This will assist others in the community who encounter a similar issue, enabling them to quickly find the solution and benefit from the guidance provided.

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