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Unauthorized when using Add-DistributionGroupMember to add user to Exchange managed Distribution

Shawn Imholte 20 Reputation points
2024-10-17T17:37:22.63+00:00

I followed the steps in this article https://learn.microsoft.com/en-us/powershell/exchange/connect-exo-powershell-managed-identity?view=exchange-ps&WT.mc_id=M365-MVP-9501 to use my Azure Automation System managed identity to connect to ExchangeOnline but when I use the CmdLet Add-DistributionGroupMember I get an Unauthorized exception. I tried adding the -BypassSecurityGroupManagerCheck flag but it still comes back Unauthorized. I followed Step 5 in the article mentioned above so that Identity is already an ExchangeAdministrator. What other permissions does that user need?

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  1. Bruce Jing-MSFT 5,255 Reputation points Microsoft Vendor
    2024-10-18T02:45:23.4566667+00:00

    Hi,@Shawn Imholte

    Thanks for posting your question in the Microsoft Q&A forum.

    Based on your description, you are using Azure to host Exchange Online. i am not sure if it is Azure that is affecting the use of Add-DistributionGroupMember. Can you describe specifically how you are using Add-DistributionGroupMember? It is recommended that you disconnect Azure Hosted Exchange Online first and only run commands in Exchange Online PowerShell.

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