DistributionGroupMember

Glenn Maxwell 11,316

Hi All,

I am using an Exchange 2016 hybrid environment with distribution lists (DLs) both on-premises and online. I want to check if user1@contoso.com is a member of any DL (either on-premises or online). Will the syntax below fetch the required information? I need the output to include both the email address and display name. Please guide me.

Get-DistributionGroupMember onpremDL1@contoso.com -ResultSize Unlimited | ? {$_.PrimarySmtpAddress -eq 'user1@contoso.com'}

Get-DistributionGroupMember onlineDL1@contoso.com -ResultSize Unlimited | ? {$_.PrimarySmtpAddress -eq 'user1@contoso.com'}

Bruce Jing-MSFT 4,575 Reputation points Microsoft Vendor

2024-09-16T05:47:27.7766667+00:00

Hello, @Glenn Maxwell

It's been a long time since I've heard from you, have you solved your problem yet? Did my previous reply help you？ If it was useful, you can mark it as an answer. Thank you for your understanding and support.
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Bruce Jing-MSFT 4,575 Reputation points Microsoft Vendor

2024-09-23T05:18:53.53+00:00

Hi, @ Glenn Maxwell

Just checking in to see if the below answer helped. If this answers your query, please don’t forget to click "Accept Answer" which might be beneficial to other community members reading this thread. And, if you have any further query do let us know.
Bruce Jing-MSFT 4,575 Reputation points Microsoft Vendor

2024-09-25T09:50:15.9733333+00:00

Hello, @Glenn Maxwell

It's been a long time since I've heard from you, have you solved your problem yet? Did my previous reply help you？ If it was useful, you can mark it as an answer. Thank you for your understanding and support.

Accepted answer

Bruce Jing-MSFT 4,575 Reputation points Microsoft Vendor

2024-09-12T06:53:16.4166667+00:00
Hi，@Glenn Maxwell

We can use PowerShell to check if user1@contoso.com is a member of any DL (local or online).

The command you provided checks whether user1@contoso.com is a member of the onpremDL1@contoso.com group.

You can run the following command to retrieve all DLs that contain user1@contoso.com.

Get-DistributionGroup | where { (Get-DistributionGroupMember $_.Name | foreach {$_.PrimarySmtpAddress}) -contains "user1@contoso.com" }

Here are the results of my tests:

If my answer is helpful to you, please mark it as the answer so that other users can refer to it. Thank you for your support and understanding.
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Bruce Jing-MSFT 4,575 Reputation points Microsoft Vendor

2024-09-20T05:53:32.6033333+00:00

Hi, @ Glenn Maxwell

Just checking in to see if the below answer helped. If this answers your query, please don’t forget to click "Accept Answer" which might be beneficial to other community members reading this thread. And, if you have any further query do let us know.
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