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I understand your ongoing issue with PIM and the Group Administrator role assignment.
Appreciate if you could share the feedback on this in our feedback forum, this forum allows you to submit feedback and suggestions for Azure services, including PIM. This is closely monitored by our product team to improve their services and address issues.
Hope this helps. Do let us know if you any further queries by responding in the comments section.
Thanks,
Akhilesh.
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