1. In AD Sites and Services, the site is Default-First-Site-Name. This is the only site. There is a single subnet - 192.168.11.0/24.
2. Security auditing has been verified as both Success and Failure enabled on the Default Domain Controllers Policy.
3. The Global Catalog role has been enabled on both of the two DCs.
4. I digital certificate for both domain controllers was located under Personal-->Certificates. The certificates are valid.
5. The certificates meets the requirements for TLS.