Business Central API - grant admin consent error

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Hi,

I'm trying to grant consent to BC API for created Azure App registration and getting following error. Is it really required to have at least one /BC online/ subscription to do this? Organization has many /BC on-premise/ perpetual licenses but they aren't visible in Azure portal. I can't find any specific and clear information what is needed to use API with BC on-premise, all articles are about BC online.

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Dynamics 365 Business Central

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Community member 11 on at

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Business Central API - grant admin consent error

@YUN ZHU
I had configured AAD authentication for BC service (exactly not WS-Federation but OpenID Connect, it's BC 22.1) and I think it's not about that. Service is working, of course AAD application is created and I can login via my AAD account into BC. Any other clues?

Maybe someone knows which step/action creates service principal for "Dynamics 365 Business Central" in Azure tenant. I would like to not buy BC online subscription especially for API but if I have to I would like to know where is official information about that and which license exactly is required.
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YUN ZHU 84,557 Super User 2025 Season 1 on at

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Business Central API - grant admin consent error

Hi, as far as I know this requires setting up SSO for the Business Central Environment first.

Hope the following helps.

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/authenticating-users-with-azure-active-directory?tabs=singletenant%2Cadmintool

https://andreilungu.com/oauth-for-business-central-on-premises-service-to-service-authentication/

Thanks.

ZHU