Hi @jsims5
Thank you for posting your query on Q&A.
For your query, I understand that you’re trying to add a group as a member of another group in Entra ID which it is called as Nested groups.
Currently, Entra ID does not support nested groups directly, however you can achieve this by creating dynamic groups based on the member of attribute, which allows you to populate a group with members from other groups.
For more information, please refer the below documents
Create "nested" groups with Azure AD Dynamic Groups
Nested groups and Azure AD
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I hope this information helps! please Feel free to ask any questions you may have.
Thanks,
Akhilesh.
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