better profile path selection

Get-BackupCapacityPlanningData.ps1

@@ -8,21 +8,23 @@ Function Update-ListOfPaths {
 Function Add-UserProfilePaths {
     param([System.Collections.ArrayList]$List,[string]$Path)
 
-    # Get a list of all user profile directories
-    $ProfilePath = (Get-ItemPropertyValue -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList' -Name ProfilesDirectory)
-    $UserProfilePaths = @()
-    ForEach ( $userProfile in (Get-ChildItem -Path $ProfilePath | Where-Object { $_.PSIsContainer }) ) {
-        $UserProfilePaths += ,@($userProfile.FullName)
-    }
+    $ChildPath = ($Path -split '%')[2]
 
-    # Iterate over each $profilePath and join it with the supplied $Path
-    ForEach ( $profilePath in $UserProfilePaths ) {
+    # Get a list of all user profile directories
+    ForEach ( $profile in (Get-ChildItem -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList') ) {
+        $profileImagePath = Get-ItemPropertyValue -Path $([System.Environment]::ExpandEnvironmentVariables($profile.PSPath)) -Name ProfileImagePath
+
+        # Skip profiles located in C:\Windows as MSP360 doesn't currently include these when using the %UserProfile% variable
+        If ( $profileImagePath -ilike "*${Env:WinDir}*" ) { Continue }
 
         # Build the path we're trying to add
-        $path = $(Join-Path -Path $profilePath -ChildPath $($Path -split '%')[2])
+        $path = Join-Path -Path $profileImagePath -ChildPath $ChildPath
+        
+        # Skip adding the path if it doesn't exist
+        If ( !(Test-Path $path) ) { Continue }
 
-        # Only add the path if it exists (domain computers may have many invalid/old user accounts with nonexistant paths)
-        If ( Test-Path $path ) { Update-ListOfPaths -List $List -Path $path }
+        # Add the path
+        Update-ListOfPaths -List $List -Path $path
     }
 }