From 8412ed6065189289cb0054e1782b4c1bfee4c489 Mon Sep 17 00:00:00 2001
From: Irving <info@sunshinetp.com>
Date: Sun, 22 Aug 2021 16:36:19 -0400
Subject: [PATCH] Change Win_Rename_Computer.ps1 community script to add domain
 joined computer rename functionality and refactor per standards.

---
 scripts/Win_Rename_Computer.ps1 | 92 ++++++++++++++++++++++++++++-----
 1 file changed, 78 insertions(+), 14 deletions(-)

diff --git a/scripts/Win_Rename_Computer.ps1 b/scripts/Win_Rename_Computer.ps1
index 98b8b7eb..8e97d2e9 100644
--- a/scripts/Win_Rename_Computer.ps1
+++ b/scripts/Win_Rename_Computer.ps1
@@ -1,19 +1,83 @@
-# Chanage the computer name in Windows
-# v1.0 
-# First Command Parameter will be new computer name
-# Second Command Parameter if yes will auto-restart computer
+<#
+.SYNOPSIS
+    Rename computer.
 
-if ($Args.Count -eq 0) {
-  Write-Output "Computer name arg is required"
-  exit 1
+.DESCRIPTION
+    Rename domain and non domain joined computers.
+
+.PARAMETER NewName
+    Specifies the new computer name.
+
+.PARAMETER Username
+    Specifies the username with permission to rename a domain computer.  
+    Required for domain joined computers.  
+    Do not add the domain part like "Domain01\" to the username as that is already extracted and appended to the Rename-Computer cmdlet.
+
+.PARAMETER Password
+    Specifies the password for the username.  
+    Required for domain joined computers.
+
+.PARAMETER Restart
+    Switch to force the computer to restart after a successful rename.
+
+.OUTPUTS
+    Results are printed to the console.
+
+.EXAMPLE
+    PS C:\> .\Win_Rename_Computer.ps1 -Username myuser -Password mypassword -NewName mynewname -Restart
+
+.NOTES
+    Change Log
+    V1.0 Initial release
+    V2.0 Added domain join
+#>
+
+param(
+    [string] $Username,
+    [string] $Password,
+    [switch] $Restart,
+    [string] $NewName
+)
+
+if (!$NewName){
+    Write-Host "-NewName parameter required."
+    Exit 1
 }
 
-$param1=$args[0]
-$ToRestartTypeYes=$args[1]
+if ((Get-WmiObject win32_computersystem).partofdomain -eq $false) {
+    # Rename Non Domain Joined Computer
 
-Rename-Computer -newname "$param1"
+    if ($Restart) {
+        Rename-computer -NewName $NewName -Force -Restart
+    } else {
+        Rename-computer -NewName $NewName -Force
+    }
+    Write-Host "Attempted rename of computer to $NewName."
+    
+} 
+else {
+    # Rename Domain Joined Computer
 
-# Restart the computer for rename to take effect
-if ($ToRestartTypeYes -eq 'yes') {
-    Restart-Computer -Force
-}
+    if (!$Username){
+        Write-Host "-Username parameter required on domain joined computers."
+        Exit 1
+    }
+    
+    if (!$Password){
+        Write-Host "-Password parameter required on domain joined computers."
+        Exit 1
+    }
+    
+    $securePassword = ConvertTo-SecureString -string $Password -asPlainText -Force
+
+    $domainUsername = (Get-WmiObject Win32_ComputerSystem).Domain + "\$Username"
+    
+    $credential = New-Object System.Management.Automation.PSCredential($domainUsername, $securePassword)
+    
+    if ($Restart) {
+        Rename-computer -NewName $NewName -DomainCredential $credential -Force -Restart
+    } else {
+        Rename-computer -NewName $NewName -DomainCredential $credential -Force
+    }
+    Write-Host "Attempted rename of domain computer to $NewName."
+}
\ No newline at end of file