first commit

hjinstall.ps1

@@ -0,0 +1,35 @@
+function Join-HJLaw
+{
+	param(
+		[string]$DeviceName
+	)
+    
+	if (-not $DeviceName -eq "")
+	{
+		Rename-Computer -NewName $DeviceName
+	}
+	$ppkg = $false
+	Get-ProvisioningPackage -AllInstalledPackages | ForEach-Object {
+		if($_.PackagePath -like "*HJLaw*")
+		{
+			if ($_.IsInstalled)
+			{
+				$ppkg = $true
+			}
+		}
+	}
+	if (-not $ppkg)
+	{
+		$registryPath = "HKLM:\SOFTWARE\Microsoft\Enrollments"
+		$subKeys = Get-ChildItem -Path $registryPath
+		foreach ($subKey in $subKeys)
+		{
+			Remove-Item -Path "$registryPath\$($subKey.PSChildName)" -Recurse -Force
+		}
+		dsregcmd /leave
+		Uninstall-ProvisioningPackage -AllInstalledPackages
+        
+		Install-ProvisioningPackage -PackagePath '.\HJLaw.ppkg' -QuietInstall -Force
+		dsregcmd /status
+	}
+}