You're reading from Active Directory Administration Cookbook, Second Edition Proven solutions to everyday identity and authentication challenges for both on-premises and the cloud

Product type Paperback

Published in Jul 2022

Publisher Packt

ISBN-13 9781803242507

Length 696 pages

Edition 2nd Edition

Languages

PowerShell

Tools

Azure

Concepts

Identity Management

Author (1):

Sander Berkouwer

View More author details

Table of Contents (18) Chapters

Preface

1. Chapter 1: Optimizing Forests, Domains, and Trusts

2. Chapter 2: Managing Domain Controllers FREE CHAPTER

3. Chapter 3: Managing Active Directory Roles and Features

4. Chapter 4: Managing Containers and Organizational Units

5. Chapter 5: Managing Active Directory Sites and Troubleshooting Replication

6. Chapter 6: Managing Active Directory Users

7. Chapter 7: Managing Active Directory Groups

8. Chapter 8: Managing Active Directory Computers

9. Chapter 9: Managing DNS

10. Chapter 10: Getting the Most Out of Group Policy

11. Chapter 11: Securing Active Directory

12. Chapter 12: Managing Certificates

13. Chapter 13: Managing Federation

14. Chapter 14: Handling Authentication in a Hybrid World (AD FS, PHS, PTA, and DSSO)

15. Chapter 15: Handling Synchronization in a Hybrid World (Azure AD Connect)

16. Chapter 16: Hardening Azure AD

17. Other Books You May Enjoy

Configuring the PDC Emulator to synchronize time with a reliable source

The domain controller holding the PDC Emulator FSMO role in the forest root domain is the authoritative source for time in an Active Directory domain in the default time synchronization hierarchy.

Getting ready

Before a Windows Server installation can synchronize time, the Network Time Protocol (NTP) should be available. By default, NTP is allowed inbound to domain controllers through their Windows Firewalls. However, NTP traffic toward the internet might not be available.

When an organization has deployed a reliable time source within the network, with, for instance, a GPS-enabled network time appliance, then the IP address or the hostname for this appliance can be used to configure the domain controller holding the PDC Emulator FSMO role to synchronize time with a reliable source.

In other scenarios, synchronizing time with a reliable source depends on the availability of a reliable internet-based...