If you are facing an error saying Authorization Required when using Import users functionality in the D365 F&O. Please see the possible solution as mentioned below.
Root cause: It seems the environment is NOT linked with the tenant. As of November 15, 2023, certificates in your Microsoft Entra tenant are no longer installed in the newly created environments by default. Please refer to the below screenshot for reference.
One of the possible solutions: To use Import users, you must configure certificate access to your tenant.
Ref. URL: https://learn.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/dev-tools/secure-developer-vm#external-integrations
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