This script exports all scope, lease, reservation, scope-options, filters etc information from all DHCP servers to an SMB share. Files older than 30 days are automatically deleted. For importing anything on any DHCP server in future, please read the usage of import-dhcpserver cmdlet usage at https://docs.microsoft.com/en-us/powershell/module/dhcpserver/Import-DhcpServer?view=win10-ps
1 2 3 4 5 6 7 8 9 | $old = (get-date).AddDays(-30) [array]$DHCPServers = (Get-ADObject -SearchBase “cn=configuration,dc=Domain,dc=net” -Filter “objectclass -eq 'dhcpclass' -AND Name -ne 'DhcpRoot'”).name foreach ($DHCPServer in $DHCPServers){ $date =get-date -format MMddyyyy $server = $DHCPServer Get-ChildItem "\Server\Backups\DHCPBackups\$server" | ?{$_.CreationTime -le $old} |Remove-Item -Force $filename = "\Server\Backups\DHCPBackups\$server\”+$server+”-“+$date+”.xml” Export-dhcpserver -computername $server -file $filename } |
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