As Bill Stewart mentioned in the comments, mapped drives are per user. The values are stored in each user's registry. Here is a function that pulls the information from each user's HKCU:\Network and HKCU:\Volatile Environment (Drives mapped from AD Home Share) via PSRemoting.
function Get-MappedDrive {
[CmdletBinding(SupportsShouldProcess = $True, ConfirmImpact = 'Low')]
param (
[Parameter(Mandatory = $True,
ValueFromPipelineByPropertyName = $True,
Position = 0)]
[string[]]$ComputerName
)
begin {}
process {
if ($pscmdlet.ShouldProcess($ComputerName)) {
Invoke-Command -ComputerName $ComputerName {
New-PSDrive -Name HKU -PSProvider Registry -Root HKEY_USERS | Out-Null
Get-ChildItem HKU:\ |
ForEach-Object {Get-ChildItem "$($_.pspath)\Network" -ErrorAction SilentlyContinue} |
ForEach-Object {
[PSCustomObject]@{
User = (New-Object System.Security.Principal.SecurityIdentifier ($_.name -replace 'HKEY_USERS\\(.*?)\\.*','$1')).Translate( [System.Security.Principal.NTAccount]).Value
Drive = "$((Split-Path $_.name -Leaf).ToUpper()):"
Path = Get-ItemProperty -Path $_.PSPath -Name RemotePath | Select-Object -ExpandProperty RemotePath
}
}
Get-ChildItem HKU:\ |
ForEach-Object {
if (Get-ItemProperty -Path "$($_.PSPath)\Volatile Environment" -name HOMEDRIVE -ErrorAction SilentlyContinue) {
[PSCustomObject]@{
User = (New-Object System.Security.Principal.SecurityIdentifier ($_.name -replace 'HKEY_USERS.(.*?)(\\.*|$)','$1')).Translate( [System.Security.Principal.NTAccount]).Value
Drive = Get-ItemProperty -Path "$($_.PSPath)\Volatile Environment" -name HOMEDRIVE | Select-Object -ExpandProperty HOMEDRIVE
Path = Get-ItemProperty -Path "$($_.PSPath)\Volatile Environment" -name HOMESHARE | Select-Object -ExpandProperty HOMESHARE
}
}
}
Remove-PSDrive HKU | Out-Null
}
}
}
end {}
}
As for why the PDQ Deploy Script is failing is that the PowerShell script is being run as an account without permission to the file share. You could use net use \\server\folder username password or (New-Object -ComObject WScript.Network).MapNetworkDrive('Z:','\\server\folder',$false, 'username', 'password') to map the share with different credentials.
