Thank you for reaching Microsoft Q&A forum.
I understand that you are trying to create an access review for an Azure resource group using Azure AD Privileged Identity Management (PIM). However, you are encountering an error message that says, "There was a problem adding <review_name> review successfully".
I have followed the document, and I was able to create the Access Review without any issues.
could you please check if you are using the correct syntax and parameters when creating the access review. You can refer to the documentation you provided to ensure that you are using the correct syntax and parameters.
Even though you mentioned that you have necessary roles please verify that you have been assigned with Privileged Role Administrator role and Owner or the User Access Administrator role for the Azure resources.
The other side try creating an access review for a different Azure resource group or Azure AD role to see if the issue is specific to the resource group you are trying to review.
If the issue persists, look at the audit logs in Microsoft Entra ID to see if there are any error messages or logs that provide more details about the issue.
Hope this helps. Do let us know if you any further queries by responding in the comments section.
Thanks,
Akhilesh.
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