Hello @JND ,
Thank you for reaching out Microsoft Q&A.
Based on your questions, I have provided the answers as follows::
- Yes, since you have P2 license in your management tenant for all admins, the guest accounts of the same account in the customer tenant can use PIM without any additional cost as per the documentation: https://azure.microsoft.com/en-gb/pricing/details/active-directory-b2c/
- The first 50,000 MAUs apply not only to B2C Identity for application authentication but to the entire B2C tenant.
- It is correct to purchase a P2 license for the customer tenant only if the accounts using PIM are guest accounts that already have a P2 license in the management tenant.
- There is no specific configuration required in the Azure portal to enable the use of MAU for licensing purposes in this scenario.
- For licensing purposes, it does not matter whether the guest account is created manually, via a PowerShell script, or through cross-tenant synchronization.
For your confusion part you can check the documentation: B2B Users, B2C Users, External or Guest Account
Hope this helps. Do let us know if you any further queries.
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and Yes
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Regards,
Goutam Pratti.