What Is an ERP Server? Domain controller. History[edit] Windows NT[edit] With Windows NT server, one domain controller per domain was configured as the Primary Domain Controller (PDC); all other domain controllers were Backup Domain Controllers (BDC).
Maintaining Physical Security. All of the previous domain controller security measures assume that your domain controllers are physically secure.
Physical security ensures that unauthorized users cannot turn domain controllers on or off, add or remove hardware, insert or remove removable media, log on by using the domain controllers’ keyboards and displays, or remove backup media. To maintain physical security for your domain controllers: Secure domain controllers against physical access. 10 physical security measures every organization should take. This information is also available as a PDF download.
Every general computer networking class teaches the OSI and/or DoD networking models, and we all learn that everything begins at the bottom, with the physical level. Likewise, when it comes to IT security, physical security is the foundation for our overall strategy.