add DHCP

DHCP/Get-DCHPRegisteredInAD.ps1

@@ -0,0 +1,2 @@
+$domain = (Get-ADDomain).DistinguishedName
+Get-ADObject -SearchBase "CN=NetServices,CN=Services,CN=Configuration,$domain" -filter {ObjectClass -eq 'dHCPClass' -and Name -ne 'DHCPRoot'} -Properties * | Select-Object Name, whenCreated, distinguishedName

DHCP/Get-DHCPADAccount.ps1

@@ -0,0 +1,53 @@
+#Requires -Version 5.0
+#Requires -RunAsAdministrator 
+
+function Get-DHCPADAccount {
+
+	# check if DHCP RSAT tools are installed
+	$dhcpInstalled = Get-WindowsFeature -Name 'RSAT-DHCP' | Where-Object { $_.Installed -eq $true }
+
+	if (-not $dhcpInstalled) {
+		Write-Warning 'DHCP RSAT tools are not installed'
+		return
+	}
+
+	[System.Collections.Generic.List[PSObject]]$DHCPADAccountsArray = @()
+
+	$dhcpsInAD = Get-DhcpServerInDC 
+
+	foreach ($dhcp in $dhcpsInAD) {
+		try {	
+
+			$dhcpServerDnsCredential = Get-DhcpServerDnsCredential -ComputerName $dhcp.DnsName -ErrorAction Stop
+
+			if ($dhcpServerDnsCredential.UserName) {
+				$userName = $dhcpServerDnsCredential.UserName
+			}
+			else {
+				$userName = '-'
+			}
+			if ($dhcpServerDnsCredential.DomainName) {
+				$domainName = $dhcpServerDnsCredential.domainName
+			}
+			else {
+				$domainName = '-'
+			}
+		}
+		catch {
+			Write-Warning "$($dhcp.DnsName) - $($_.Exception.Message)"
+
+			$username = 'Error when get credentials'
+			$domainName = 'Error when get credentials'
+		}
+
+		$object = [PSCustomObject][ordered]@{
+			ComputerName = $dhcp.DnsName
+			UserName     = $userName
+			DomainName   = $domainName
+		}
+
+		$DHCPADAccountsArray.Add($object)
+	}
+
+	return $DHCPADAccountsArray
+}