June 2017
Beginner to intermediate
742 pages
18h 29m
English
Content preview from Mastering Active Directory
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Time sync improvements
Time accuracy is important for AD infrastructures to maintain Kerberos authentication between users and domain controllers. Currently, the time accuracy between two parties should be less than 5 minutes. In an AD environment, domain members sync time with domain controllers (PDC or domain controller in the root forest or a domain controller with the good time server (GTIMESERV) flag) to maintain accurate time across the environment.
But sometimes, this doesn't work as expected. Virtual servers sync time with their hosts, which can cause accuracy issues. Depending on the network topology, the reply packets for time requests can take longer to reach the requester. This also can cause accuracy issues between the DC and ...
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