Hi @Tutek ,
Welcome to Q&A platform.
Please kindly note that your issue is more related to WAC which our network forum doesn't focus on. Regarding issue related to WAC, I suggest you refer to experts from the following forum to get professional support:
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us. Thank you for your understanding.
Here is a similar thread discussed before, you could have a look to see is this can help you:
Windows Admin Center Access Denied
Best Regards,
Sunny
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