Another quick blog post about changing domain controller IP and updating FMSO.
Change Domain IP
Run CMD as admin
Step1
Dcdiag /s:LAB-DC01
Step2
change IP to new IP
Step3
Ipconfig /flushdns
Step4
Ipconfig /registerdns
step5
Dcdiag /fix
netdom query fsmo
Move-ADDirectoryServerOperationMasterRole -Identity LAB-DC02 -OperationMasterRole SchemaMaster, DomainNamingMaster, PDCEmulator, RIDMaster, InfrastructureMaster
Windows Extend License (run in powershell and extend domain)
slmgr -rearm