Hi,
You can set the properties using the Set-ADGroup cmdlet.
Get-ADGroup $OldName | Set-ADGroup -Replace @{SamAccountName=$newAccountName; proxyAddresses=$newProxyAddresses; mail=$newmail }
https://learn.microsoft.com/en-us/powershell/module/activedirectory/set-adgroup
Best Regards,
Ian Xue
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