October 2019
Beginner
426 pages
10h 44m
English
A DC (see Figure 5.2) is a server that is responsible for securely authenticating users to access resources in an organization's network. In Windows NT, there was one DC per domain configured as a Primary Domain Controller (PDC), and all other domain controllers acted as Backup Domain Controllers (BDC). In contrast, in Windows Server 2019, there are no primary and backup approaches used—instead, numbers are used next to DCs to identify priorities (for example, DC1 and DC2):

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