diff --git a/Scripts/Start-IntuneToolkit.ps1 b/Scripts/Start-IntuneToolkit.ps1
index 3076df9..821db34 100644
--- a/Scripts/Start-IntuneToolkit.ps1
+++ b/Scripts/Start-IntuneToolkit.ps1
@@ -173,8 +173,15 @@ while($true)
 
     Write-Host "`nLaunching $script ...`n" -ForegroundColor Green
 
+    # Clone params and sanitize for scripts that don't accept the full auth set
+    $launchParams = $commonParams.Clone()
+    if($script -eq "Scripts/Initialize-IntuneAuth.ps1")
+    {
+        @("AppId","Secret","Certificate","AuthMode","RedirectUri","Interactive","Mode","WhatIf") | ForEach-Object { $launchParams.Remove($_) }
+    }
+
     # Execute in same process so TUI flows naturally
-    & $scriptPath @commonParams
+    & $scriptPath @launchParams
 
     Write-Host "`nPress any key to return to the menu..." -ForegroundColor DarkGray
     $null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")