Get Group Members

$GRP = "Wisys" 

Get-ADGroupMember -identity $GRP | select name | Export-csv -path C:\Accent\Output\"$GRP"_Groupmembers.csv -NoTypeInformation 

Export users from group for import to distro group 

$GRP = "SG_WG_VPN_Site-00" 

Get-ADGroupMember -Identity $GRP -Recursive | Get-ADUser -Properties DisplayName,Mail | Export-csv -path C:\Accent\Output\"$GRP"_Groupmembers.csv -NoTypeInformation. 

Import into distro group (Needs done on exch srv) 

Import-Csv C:\Accent\SG_WG_VPN_Site-00_Groupmembers.csv | ForEach {Add-DistributionGroupMember -Identity "rs.vpnusers" -Member $_.displayname}