### Install DhcpServerDsc Module

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/Home

Installs the DhcpServerDsc module from the PowerShell Gallery. Ensure you have PowerShellGet installed.

```powershell
Install-Module -Name DhcpServerDsc -Repository PSGallery
```

--------------------------------

### Install RSAT-DHCP Feature

Source: https://github.com/dsccommunity/dhcpserverdsc/blob/main/tests/Unit/Stubs/README.md

Installs the 'RSAT-DHCP' Windows feature. This is a prerequisite for creating stubs from the DhcpServer module.

```powershell
Install-WindowsFeature -Name 'RSAT-DHCP'
```

--------------------------------

### Create DHCP Server Option Definitions

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/xDhcpServerOptionDefinition

This example demonstrates how to create multiple DHCP server option definitions using the xDhcpServerOptionDefinition resource. It includes examples for specific vendor classes and the default option class.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    xDhcpServerOptionDefinition 'DHCPServerOptionDefinition1'
    {
        Ensure        = 'Present'
        Name          = 'Cisco AP c1700 Provisioning'
        OptionID      = '200'
        Type          = 'IPv4Address'
        AddressFamily = 'IPv4'
        VendorClass   = 'Cisco AP c1700'
        Description   = 'Sample description'
    }

    xDhcpServerOptionDefinition 'DHCPServerOptionDefinition2'
    {
        Ensure        = 'Present'
        Name          = 'sample name'
        OptionID      = '200'
        Type          = 'IPv4Address'
        AddressFamily = 'IPv4'
        VendorClass   = ''  #default option class
        Description   = 'Sample description'
    }

    xDhcpServerOptionDefinition 'DHCPServerOptionDefinition3'
    {
        Ensure        = 'Present'
        Name          = 'PXEClient'
        OptionID      = '060'
        Type          = 'String'
        AddressFamily = 'IPv4'
        VendorClass   = ''  #default option class
        Description   = 'Sample description'
        DefaultValue  = 'PXEClient'
    }
}
```

--------------------------------

### Configure DHCP Scope Options (Gateway, DNS, Domain)

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/DhcpScopeOptionValue

This example demonstrates how to configure DHCP scope options for gateway, DNS servers, and domain name using the DhcpScopeOptionValue resource. Ensure the PSDscResources and DhcpServerDsc modules are imported.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    # Setting scope gateway
    DhcpScopeOptionValue 'ScopeOptionGateway'
    {
        OptionId      = 3
        Value         = '1.1.1.1'
        ScopeId       = '1.1.1.0'
        VendorClass   = ''
        UserClass     = ''
        AddressFamily = 'IPv4'
    }

    # Setting scope DNS servers
    DhcpScopeOptionValue 'ScopeOptionDNS'
    {
        OptionId      = 6
        Value         = @('1.1.1.1', '2.2.2.2')
        ScopeId       = '1.1.1.0'
        VendorClass   = ''
        UserClass     = ''
        AddressFamily = 'IPv4'
    }

    # Setting scope DNS domain name
    DhcpScopeOptionValue 'ScopeOptionDNSDomainName'
    {
        OptionId      = 15
        Value         = 'contoso.com'
        ScopeId       = '1.1.1.0'
        VendorClass   = ''
        UserClass     = ''
        AddressFamily = 'IPv4'
    }
}
```

--------------------------------

### Install StubCommand Module

Source: https://github.com/dsccommunity/dhcpserverdsc/blob/main/tests/Unit/Stubs/README.md

Installs the 'Indented.StubCommand' module from the PowerShell Gallery. This module is required to create stub functions.

```powershell
Install-Module Indented.StubCommand -Scope CurrentUser
```

--------------------------------

### Create a Vendor DHCP Server Class

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/xDhcpServerClass

This snippet demonstrates how to create a new vendor DHCP server class using the xDhcpServerClass resource. Ensure the DHCP Windows Feature is installed and present before applying the configuration.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    xDhcpServerClass 'VendorClass'
    {
        ensure        = 'Present'
        Name          = 'VendorClass'
        Type          = 'Vendor'
        AsciiData     = 'sampledata'
        AddressFamily = 'IPv4'
        Description   = 'Vendor Class Description'
    }
}
```

--------------------------------

### Verify DhcpServerDsc Module Installation

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/Home

Confirms that the DhcpServerDsc DSC resources are available after installation. This command lists all DSC resources from the specified module.

```powershell
Get-DscResource -Module DhcpServerDsc
```

--------------------------------

### Configure DHCP Server Option Value

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/DhcpServerOptionValue

This example demonstrates how to set DHCP option ID 8 (cookie servers) on a server level using the DhcpServerOptionValue DSC resource. Ensure the DHCP Windows feature is present before configuring the option.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    DhcpServerOptionValue 'ServerOptionValue_ID-008'
    {
        OptionId      = 8
        Value         = '1.1.1.1'
        VendorClass   = ''
        UserClass     = ''
        AddressFamily = 'IPv4'
        Ensure        = 'Present'
    }
}
```

--------------------------------

### Authorize Local DHCP Server

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/xDhcpServerAuthorization

This snippet demonstrates how to authorize the local DHCP server. Ensure the PSDscResources module is imported.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    xDhcpServerAuthorization 'LocalServerActivation'
    {
        IsSingleInstance = 'Yes'
        Ensure           = 'Present'
    }
}
```

--------------------------------

### Configure DHCP Server Reservation

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/xDhcpServerReservation

This snippet demonstrates how to configure a DHCP server reservation using the xDhcpServerReservation DSC resource. Ensure the DHCP Windows Feature is present before configuring the reservation.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    xDhcpServerReservation 'PullServerIP'
    {
        Ensure           = 'Present'
        ScopeID          = '192.168.1.0'
        ClientMACAddress = '00155D8A54A1'
        IPAddress        = '192.168.1.2'
        Name             = 'DSCPullServer'
        AddressFamily    = 'IPv4'
    }
}
```

--------------------------------

### Create Stub Module

Source: https://github.com/dsccommunity/dhcpserverdsc/blob/main/tests/Unit/Stubs/README.md

Creates a stub module for the 'DhcpServer' module in a specified destination folder. The stub function body is defined to throw an exception when called, indicating it's a stub.

```powershell
$destinationFolder = 'c:\projects\stubs\'

$functionBody = {
    throw '{0}: StubNotImplemented' -f $MyInvocation.MyCommand
}

New-StubModule -FromModule 'DhcpServer' -Path $destinationFolder -FunctionBody $functionBody
```

--------------------------------

### Create or Modify a DHCP Server Scope

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/xDhcpServerScope

This snippet demonstrates how to create a new DHCP server scope or modify an existing one using the xDhcpServerScope resource. It requires the PSDscResources and DhcpServerDsc modules to be imported.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    xDhcpServerScope 'Scope'
    {
        Ensure        = 'Present'
        ScopeId       = '192.168.1.0'
        IPStartRange  = '192.168.1.1'
        IPEndRange    = '192.168.1.254'
        Name          = 'ContosoScope'
        SubnetMask    = '255.255.255.0'
        LeaseDuration = ((New-TimeSpan -Hours 8).ToString())
        State         = 'Active'
        AddressFamily = 'IPv4'
    }
}
```

--------------------------------

### Configure DHCP Reserved IP Option Value

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/DhcpReservedIPOptionValue

Sets DHCP option ID 8 (cookie servers) for a reserved IP address '192.168.0.1'. Ensure the DHCP Windows Feature is present before applying this configuration.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    DhcpReservedIPOptionValue 'ReservedIPOptionValue_ID-008'
    {
        ReservedIP    = '192.168.0.1'
        OptionId      = 8
        Value         ='1.1.1.1'
        VendorClass   = ''
        UserClass     = ''
        AddressFamily = 'IPv4'
        Ensure        = 'Present'
    }
}
```

--------------------------------

### Set DHCP Option 8 at Server Level

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/DhcpPolicyOptionValue

Configures DHCP option ID 8 (cookie servers) for a policy at the server level. Ensure the DHCP Windows Feature is present.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    DhcpPolicyOptionValue 'PolicyOptionValue_ID-008'
    {
        OptionId      = 8
        Value         = '1.1.1.1'
        ScopeId       = ''
        VendorClass   = ''
        AddressFamily = 'IPv4'
        PolicyName    = 'TestPolicy'
        Ensure        = 'Present'
    }
}
```

--------------------------------

### Authorize Remote DHCP Server

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/xDhcpServerAuthorization

This snippet shows how to authorize a remote DHCP server by specifying its DNS name and IP address. The DhcpServerDsc module must be imported.

```powershell
configuration Example
{
    Import-DscResource -moduleName 'DhcpServerDsc'

    xDhcpServerAuthorization 'RemoteServerActivation'
    {
        IsSingleInstance = 'Yes'
        Ensure           = 'Present'
        DnsName          = 'ServerToAuthorize.contoso.com'
        IPAddress        = '192.168.0.1'
    }
}
```

--------------------------------

### Set DHCP Option 8 at Scope Level

Source: https://github.com/dsccommunity/dhcpserverdsc/wiki/DhcpPolicyOptionValue

Configures DHCP option ID 8 (cookie servers) for a policy within a specific scope. Ensure the DHCP Windows Feature is present.

```powershell
configuration Example
{
    Import-DscResource -ModuleName 'PSDscResources' -ModuleVersion '2.12.0.0'
    Import-DscResource -moduleName 'DhcpServerDsc'

    WindowsFeature 'DHCP'
    {
        Name   = 'DHCP'
        Ensure = 'Present'
    }

    DhcpPolicyOptionValue 'PolicyOptionValue_ID-008-scope'
    {
        OptionId      = 8
        Value         = '1.1.1.1'
        ScopeId       = '192.168.0.0'
        VendorClass   = ''
        AddressFamily = 'IPv4'
        PolicyName    = 'TestPolicy'
        Ensure        = 'Present'
    }
}
```

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