Check if a Contact Distribution Group Exists
For more information on using this script, see the article Adminstratively Managing User Contact Lists by Nick Smith.
#Contributed by Nick Smith, Microsoft
#Supported Versions: Office Communications Server 2007 R2
#Get User Information
$User = Get-WmiObject -Query "Select * from MSFT_SIPESUserSetting where PrimaryURI = 'sip:user@domain.com'"
$UserInstanceID = $User.InstanceID
#Check if group is already added to user's contact list
$ContactGroup = (Get-WmiObject -Query "Select * from MSFT_SIPESUserContactGroupData where UserInstanceID = '$UserInstanceID'" | Where {$_.ExternalURL -like "*group@domain.com*"})
if ($ContactGroup -ne $null) { #The group is on the user's contact list
Write-Host "The group exists on the user's contact list"
}
elseif ($ContactGroup -eq $null) { #The group is not on the user's contact list
Write-Host "The group does not exist on the user's contact list"
}