Active Directory

Windows

How to Fix The “Trust Relationship Between This Workstation And The Primary Domain Failed” Error

The “trust relationship between this workstation and the primary domain failed” error means that the computer cannot access a network because it is offline, or that it has lost its membership to the Active Directory (AD) domain. This guide will help you understand what’s happening behind the scenes when this error occurs, and we’ll go...

Last Update: Mar 13, 2024

About Active Directory

Welcome to the Active Directory category page, your comprehensive guide to mastering the world of identity management in Windows Server. Active Directory (AD) is a Microsoft technology used for managing identities and computer resources securely. Here, you will find resources ranging from the basic concepts to advanced implementations. Discover how to manage user accounts, groups, and access controls; configure Group Policy; and deploy domain controllers (DC). Whether you’re a systems administrator, an IT professional, or an enthusiastic learner, this page is your gateway to understanding and leveraging AD efficiently.

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Datacenter networking servers

Active Directory Replication: A Guide for IT Pros

Last Update: Mar 13, 2024

Learn all there is to know about how Active Directory (AD) replication works. This guide covers the basics of how domain controllers (DCs) replicate all of your user accounts, passwords, computers, and other objects in your environment. Learn about how sites define the logical layout of your network and how the tools and features in…

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Datacenter networking servers

What is Active Directory: The Ultimate Guide

Last Update: Mar 13, 2024

Active Directory is Microsoft’s on-premises identity and access management (IAM) service. In this article, learn how Active Directory (AD) makes it easier for IT to manage an organization’s IT resources. Active Directory is especially useful for companies that have to manage lots of endpoints and servers. What is Active Directory and why is it used?…

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Network Security

Active Directory Backup vs Replication (And Why You Need to Be Clear on the Difference Now)

Backup and replication are common data protection concepts, but they serve different purposes. Learn more about their differences and how they can benefit your data management strategy, especially how the backup vs replication argument relates to Active Directory (AD) and protecting it. What are backup and replication? Although backup and replication are both methods of…

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Petri.com’s New Active Directory Outage and Disaster Recovery Survey

Last Update: Mar 01, 2024

Petri.com was recently asked by Cayosoft to conduct a survey amongst our audience regarding Active Directory (AD) downtime and disaster recovery strategies. Petri.com’s extensive experience in the marketplace, coupled with our standing as a representative voice for IT Professionals, allows us to bring distinct insights into prevailing trends and their evolution over time. The survey,…

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Security

How to Minimize Your Active Directory Attack Surface

Last Update: Feb 16, 2024

When newly installed, Active Directory’s (AD) default configuration is designed to be easy to use. As a result, attackers can exploit AD to take over your entire network with relative ease. Here’s what you can do to further protect your organization by reducing your Active Directory attack surface. Securing beyond the default settings to reduce…

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Cloud Computing

5 Reasons to Consolidate Active Directory Domains and Forests

Last Update: Feb 15, 2024

A Windows Server Active Directory (AD) forest is the topmost logical container in an AD configuration. In this article, Michael Otey explains the role forests play in an AD configuration and why it is necessary to consolidate Active Directory forests and domains to improve security and management. Every Active Directory deployment contains at least one forest, the parent container in…

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Network Security

Top 10 Events to Audit in Active Directory to Uncover Security Risks

Last Update: Feb 15, 2024

Audit your Active Directory environment to ensure the security of your company’s most valuable assets. Here are the top 10 events to audit in Active Directory to identify risks. Why audit Active Directory? Active Directory provides authentication, account management, and authorization services that are critical for strong access governance. To quickly detect insider threats, organizations should audit the creation of new accounts and security groups, and…

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Storage

Consolidating Multiple Windows Domains

Last Update: Feb 14, 2024

If you’re considering bringing Windows Server 2008 onto your network, then one of the decisions that you will eventually have to make is how you plan to integrate this new operating system into your network.  In the vast majority of cases, Windows Server 2008 domain controllers are simply added to existing domains, or some of…

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What is Azure AD B2B?

Discover the benefits of using Azure AD B2B in your organization. Learn how it can improve collaboration and streamline access for external partners, and boost your users’ productivity, safely and securely. What is Azure B2B? Microsoft Entra B2B (formerly Azure AD B2B) is a feature/service within the Microsoft Entra ID that allows collaboration between your…

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