Using a “lag site”, an additional domain controller on a separate subnet, and then scheduling inter-site replication to occur only once a week with the rest of your forest is not a Microsoft ...

You can use a public second-level DNS name, create a new 3rd level DNS name, use the .local top-level domain name with whatever you want in front of it: it doesn't matter.

Earlier this month, Microsoft fixed domain controller sign-in failures and other authentication problems also caused by November Patch Tuesday Windows updates with emergency out-of-band (OOB) updates.

With the help of Samba, it is possible to set up your Linux server as a Domain Controller. Before you get too excited, I’m not talking about an Active Directory Primary Domain Controller (PDC).