Enable RDP on a computer with PowerShell.

README.md

Enable RDP on a computer with PowerShell

The script performs the following:

• Enables RDP access
• Enables UDP support (as well as TCP)
• Enables user authentication
• Configures Windows Firewall

Notes:

• Script must run on the computer you want to access
• You can connect to a computer using Enter-PSSession
• Script must run as Administrator
• Firewall rules allow any profile
• Port 3389 (default RDP port) is used

EnableRDP.ps1

# Warning
Clear-Host
Write-Output "Run this script on the computer you want to access via RDP"
Write-Output ""

# Ask
Write-Output "Remote address can be an IP address or network with CIDR"
Write-Output "Example: 192.168.0.5 or 192.168.0.0/24"
Write-Output ""
$RemoteAddress = Read-Host "Remote Address"
Write-Output ""

# Registry
Set-ItemProperty -Path "HKLM:\System\CurrentControlSet\Control\Terminal Server"-Name "fDenyTSConnections" -Value 0
Set-ItemProperty -Path "HKLM:\Software\Policies\Microsoft\Windows NT\Terminal Services\Client" -Name "fClientDisableUDP" -Value 0
Set-ItemProperty -Path "HKLM:\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" -Name "UserAuthentication" -Value 1

# Firewall
New-NetFirewallRule -DisplayName "RDP (TCP)" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 3389 -RemoteAddress $RemoteAddress -Profile Any -Enabled True | Out-Null
New-NetFirewallRule -DisplayName "RDP (UDP)" -Direction Inbound -Action Allow -Protocol UDP -LocalPort 3389 -RemoteAddress $RemoteAddress -Profile Any -Enabled True | Out-Null

# Result
Write-Output "Done! Now restart the computer"
Write-Output ""