High Availability Using Failover Clustering for File Servers

Overview This comprehensive guide explains how to deploy a two-node clustered file server to ensure high availability for file services. It covers key concepts, setup steps, and best practices for ensuring uninterrupted file access and disaster recovery in case of server failure. Applies to: ✅ Windows Server 2025 ✅ Windows Server 2022 ✅ Windows Server … Read more

Free Up C Drive Space by Removing Ghost User Profiles “Account Unknown'” in Windows Server.

Introduction In our daily IT operations or through routine monitoring, we often encounter alerts like “C: Drive is low on space.” While it’s common practice for IT teams to clean up temporary files, logs, caches, and unused applications, these efforts don’t always resolve the issue. When cleanups fall short, a request for C:\ drive expansion … Read more

Active Directory Trusts Explained: Forest & External Trusts (Lab.com vs Test.com)

In this article, I have cover everything about Active Directory (AD) Trusts — why they are created, the different types of AD Trusts with examples, their purposes, requirements, and the step-by-step process to create them. Why Do We Create Active Directory Trusts? Creating an Active Directory (AD) trust allows two or more AD domains or … Read more

Troubleshooting Domain Controller Connectivity Issues for Junior Engineers!

Introduction Whether you’re just starting your career in IT or already providing support for Active Directory (AD), troubleshooting domain controller connectivity issues is always a challenge. When something goes wrong in AD, it can trigger a wide range of problems—like users being unable to log in, Group Policies not applying, or authentication failures. Unfortunately, even … Read more

How to Troubleshoot Active Directory Replication and Domain Controller Health

In any Windows-based environment setup, Active Directory (AD) is the core system for managing user identity, access, and login authentication. To keep AD environment running smoothly, two things are very important: replication and the health of Domain Controllers (DCs). If replication fails or DCs are not set up properly, it can cause problems like inconsistent … Read more

Active Directory Replication Overview

 When it comes to an Active Directory environment, AD replication is important and critical. Changes made on one domain controller are replicated across other domain controllers, either within the same AD forest or domain. This process is important for maintaining consistency in user data (attributes), group policies, and other directory objects throughout the organization’s network. … Read more

Understanding Group Policy Preferences (GPP)

Introduction Group Policy Preferences (GPP) are a powerful feature in Windows that allow administrators to configure various settings for users and computers in a Windows domain. Unlike regular Group Policy settings, Preferences provide a more user-friendly and flexible way to manage configurations. This article explains what GPP is, how to use it, and the differences … Read more

Comprehensive Beginner’s Guide to DNS (Domain Name System)

Introduction In today’s digital age, the internet is an important part of our daily lives. From searching for information to shopping, communicating, and streaming, the internet is our go-to tool. But have you ever wondered how your device knows exactly where to find the websites you visit? The answer lies in the Domain Name System … Read more

Key Steps to Resolve Active Directory Problems

Introduction. This article offers a guide to diagnosing and resolving common Active Directory (AD) issues. While it doesn’t cover advanced troubleshooting, the goal is to provide a clear understanding of how and when to identify specific problems, along with effective steps to resolve them 1) Check AD Services. What it means: Active Directory runs on … Read more