After install on new server cancel the Configure Windows Server Essentials
Start Server Manager, Local Server
Config static ip address (use DNS of existing essentials)
Rename computer, and join existing domain
After reboot Cancel the Configure Windows Server Essentials again
Start Server Manager, Local Server
Add Roles Active Directory, DNS
Do Post Deployment, promo
Make sure user is EnterpriseAdmin, SchemaAdmin, DomainAdmin groups
Transfer roles over from old server (logged onto old server)
(run cmd.exe with elevated)
https://learn.microsoft.com/en-us/windows-server-essentials/migrate/step-2--install-windows-server-essentials-as-a-new-replica-domain-controller#to-transfer-the-operations-master-roles
Config network connection properties DNS point to server's own static address
reboot new server, then this time let the Configure Windows Server Essentials run to completion
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