Book Image

Active Directory Administration Cookbook

By : Sander Berkouwer
Book Image

Active Directory Administration Cookbook

By: Sander Berkouwer

Overview of this book

Active Directory is an administration system for Windows administrators to automate network, security and access management tasks in the Windows infrastructure. This book starts off with a detailed focus on forests, domains, trusts, schemas and partitions. Next, you'll learn how to manage domain controllers, organizational units and the default containers. Going forward, you'll explore managing Active Directory sites as well as identifying and solving replication problems. The next set of chapters covers the different components of Active Directory and discusses the management of users, groups and computers. You'll also work through recipes that help you manage your Active Directory domains, manage user and group objects and computer accounts, expiring group memberships and group Managed Service Accounts (gMSAs) with PowerShell. You'll understand how to work with Group Policy and how to get the most out of it. The last set of chapters covers federation, security and monitoring. You will also learn about Azure Active Directory and how to integrate on-premises Active Directory with Azure AD. You'll discover how Azure AD Connect synchronization works, which will help you manage Azure AD. By the end of the book, you have learned about Active Directory and Azure AD in detail.
Table of Contents (16 chapters)

Unlocking a user

In many organizations with account lock-out policies enabled, the number of passwords that can be mistyped is set to a high value, such as 50, and then the lock-out period is set to indefinitely. This way, a locked-out account hinders the productivity of the colleague, since he or she can't sign in until the account is unlocked. Manual unlocks need to be performed to enable the colleague to sign in again.

Getting ready

To modify user accounts, you should sign in to a domain controller or a member server and/or device with the RSAT for Active Directory Domain Services installed.

Sign in with an account that is a member of the Domain Admins group, the Account Operators group or with an account that is delegated...