Book Image

Mastering Active Directory, Third Edition - Third Edition

By : Dishan Francis
5 (2)
Book Image

Mastering Active Directory, Third Edition - Third Edition

5 (2)
By: Dishan Francis

Overview of this book

Mastering Active Directory, Third Edition is a comprehensive guide for Information Technology professionals looking to improve their knowledge about MS Windows Active Directory Domain Service. The book will help you to use identity elements effectively and manage your organization’s infrastructure in a secure and efficient way. This third edition has been fully updated to reflect the importance of cloud-based strong authentication and other tactics to protect identity infrastructure from emerging security threats. Mastering Active Directory, Third Edition provides extensive coverage of AD Domain Services and helps you explore their capabilities as you update to Windows Server 2022. This book will also teach you how to extend on-premises identity presence to cloud via Azure AD hybrid setup. By the end of this Microsoft Active Directory book, you’ll feel confident in your ability to design, plan, deploy, protect, and troubleshoot your enterprise identity infrastructure.
Table of Contents (22 chapters)
20
Other Books You May Enjoy
21
Index

Zone transfers

Healthy DNS replication is a key requirement for service and infrastructure integrity. In the previous section, I explained the different zones. I also mentioned how to set the zone transfer permissions. Now, it is time to look into DNS replications.

There are two types of zone file replications:

  • Asynchronous Full Transfer Zone (AXFR): When setting up a new secondary zone, the system will replicate a full copy of the zone file from the master server. It is not just for the secondary zone; it's applicable to other zones, too. In the event of DNS replication issues, the administrator may need to request a full zone transfer (aka complete zone transfer) from its master server from time to time.
  • Incremental Zone Transfer (IXFR): After the initial full zone transfer, the system will only replicate the records that have been modified. It reduces the replication traffic as well as providing faster replication.

When there is a change in the...