We set up Server B with Windows Server 2019, and joined it to our domain, but before installing AD Connect, we exported the settings on Server A using the following steps: ...

Log on to a standard Server 2008 domain controller in your central site as a domain administrator. Open Active Directory Users and Computers (ADUC) from Administrative Tools on the Start menu. Expand ...

For instance, Microsoft recommends that all domain controllers should be running at least Windows Server 2016 and in-place upgrades are not recommended; instead you need to set up a new server and ...