migrate-M$_dhcp.md

Params

$curDhcpServer = "10.10.1.10"
$newDhcpServer = "10.10.1.20"
$backUpFileName = "C:\dhcp-config\dhcp-cobfiles.xml"
$backUpFolderPath = "C:\dhcp-config\backup"

Backup server scopes

Export-DHCPServer -ComputerName $curDhcpServer -File $backUpFileName

Restore server scopes

Import-DHCPServer -ComputerName $newDhcpServer -File $backUpFileName -BackupPath $backUpFolderPath

Look server scopes

Get-DhcpServerv4Scope –ComputerName $curDhcpServer
$Scope = <paste ScopeId info from query>

Transfer current leases

enumerate scopes by ScopeId

@(Get-DHCPServerv4Lease  -ComputerName $curDhcpServer -ScopeId $Scope).where({$_.AddressState -eq "Active"}) | Add-DhcpServerv4Lease -ComputerName $newDhcpServer