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PowerShell Hide Distribution Group in LYNC Client

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Requirement

Hide Distribution Group in LYNC Client reason is to avoid people pinging multiple users. Not all the Distribution Groups but a few which needs to be hidden from search.

Summary

Exchange environment migrated to online and on-premises Exchange has been decommissioned. AD is on-premises as well. So, committing the change on Exchange Online is not possible.

Known Error

Solution

The mailbox can be hidden in Exchange Online using PowerShell command. However, hiding Distribution Group needs to be done on out premises AD. We can achieve this using PowerShell code:

Set-ADObject -Identity 'Test Group' -replace @{msExchHideFromAddressLists=$true}
Set-ADObject -clear ShowinAddressBook

Help

help Get-ADObject

help Set-ADObject

Result