Create a Jenkins Slave on a Windows Server 2012 R2 Core install

Create-Jenkins-Slave-On-Windows-Server-Core.ps1

# Configure the settings to use to setup this Jenkins Slave
$IPAddress = '192.168.1.96'
$SubnetPrefixLength = 24
$DNSServers = @('192.168.1.1')
$DefaultGateway = '192.168.1.1'
$JenkinsSlaveFolder = 'c:\jenkins'

# Install .NET Framework 3.5
Install-WindowsFeature -Name NET-Framework-Core

# Install Chocolatey
iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))

# Install JDK 8 
choco install jdk8 -y

# Set a static IP Address - optional
New-NetIPAddress `
  -IPAddress $IPAddress `
  -InterfaceAlias Ethernet `
  -DefaultGateway $DefaultGateway `
  -AddressFamily IPv4 `
  -PrefixLength $SubnetPrefixLength
Set-DnsClientServerAddress `
  -InterfaceAlias Ethernet `
  -Addresses $DNSServers
  
# Create the Jenkins Slave folder
New-Item `
  -Path $JenkinsSlaveFolder `
  -ItemType Directory
  

Chocolatey can't install on 2012 R2 Core with this download string: https://chocolatey.org/install.ps1 due to missing unzip in Core.
See chocolatey-archive/chocolatey#302

Use this instead:
iex ((new-object net.webclient).DownloadString('https://chocolatey.org/installabsolutelatest.ps1'))