Powershell to get the list of users who has Dial in option is enabled in Active directory. This has to be executed in Quest Active Roles management console. This will query all the active directory users and get the details if the user object has Dialin option is enabled
Get-QADUser -IncludeAllProperties | ?{$_.msNPAllowDialin -eq $true} |Select Displayname,mailnickname
Below powershell helps you to enable export dial in enabled users to CSV format file
Get-QADUser -IncludeAllProperties | ?{$_.msNPAllowDialin -eq $true} |Select Displayname,mailnickname | Export-Csv C:\Dialinusers.csv