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I have subscribed to Microsoft 365 Developer Program to try few features.

I can login to the MS 365 Dev admin, but if I want to login with my tennant admin account, I got error :

You don't have access to this Your sign-in was successful but you
don't have permission to access this resource.
Error Code: 53003

Error code 53003 seem related to conditionnal access. I never was able to login, so I doesn't activate conditional access.

How can I connect to my tennant admin center ?

Thank

sl1881
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2 Answers2

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You should be able to login to the Dev tenant with the admin account that you created during sign up, as that account will have Global Admin rights. You cant use any other account unless you have created it in the tenant.

Check this article to see whether you have missed any steps in the process. Setting up M365 Dev Tenant

Specialist-Stand7592
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You can’t sign in to the Microsoft 365 Developer Program with your sandbox subscription administrator ID. Please sign in with your Developer Program account (the account you used to join). For details, see the FAQ.

Kelbow MSFT
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