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Active Directory Administration Cookbook, Second Edition

Active Directory Administration Cookbook, Second Edition

By : Sander Berkouwer
5 (3)
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Active Directory Administration Cookbook, Second Edition

Active Directory Administration Cookbook, Second Edition

5 (3)
By: Sander Berkouwer

Overview of this book

Updated to the Windows Server 2022, this second edition covers effective recipes for Active Directory administration that will help you leverage AD's capabilities for automating network, security, and access management tasks in the Windows infrastructure. Starting with a detailed focus on forests, domains, trusts, schemas, and partitions, this book will help you manage domain controllers, organizational units, and default containers. You'll then explore Active Directory sites management as well as identify and solve replication problems. As you progress, you'll work through recipes that show you how to manage your AD domains as well as user and group objects and computer accounts, expiring group memberships, and Group Managed Service Accounts (gMSAs) with PowerShell. Once you've covered DNS and certificates, you'll work with Group Policy and then focus on federation and security before advancing to Azure Active Directory and how to integrate on-premise Active Directory with Azure AD. Finally, you'll discover how Microsoft Azure AD Connect synchronization works and how to harden Azure AD. By the end of this AD book, you’ll be able to make the most of Active Directory and Azure AD Connect.
Table of Contents (18 chapters)
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Managing UPN suffixes

In Active Directory, users and services can sign in using their pre-Windows 2000 logon name (the value of the sAMAccountName attribute) or their Kerberos user principal name (the value of the userPrincipalName attribute). As Kerberos relies heavily on DNS, the user principal name features a userPrincipalName suffix, in the form of a DNS domain name.

These userPrincipalName suffixes can be added to the list of available UPN suffixes for each Active Directory forest.

By default, this list already contains the DNS domain names of the Active Directory domains in the forest.

UPN suffixes in on-premises Active Directory environments do not need to be publicly routable. Only if you intend to use them with federation and/or hybrid identity do they then need to be. In many organizations, a cloud journey begins with changing the UPN suffix on all the user objects that need to be cloud-enabled to a publicly routable UPN suffix. Some organizations have adopted .local...

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