When SYSVOL or NetLogon stops replicating between domain controllers, Active Directory becomes unstable very quickly.Group Policies fail to apply, users cannot authenticate, DNS breaks, and your secondary domain controller may stop functioning as soon as DC1 goes offline. This issue is extremely common in IT environments, so in this article I am sharing a real-world … Read more
Building highly available and scalable systems is a core requirement for modern IT infrastructures. Two technologies often used to achieve this reliability are Failover Clustering and Network Load Balancing (NLB). Although both aim to improve service continuity, they solve different problems and operate in distinct ways. This article provides a deep dive into how each … Read more
📌 Introduction Many administrators deploying Windows Server 2025 have reported a new issue where Windows Admin Center (WAC) 2410 fails to display update information for Server 2025 hosts. While WAC continues to manage Windows Server 2012–2022 normally, attempting to open the Updates tool on Server 2025 often results in: This article summarizes what is currently … Read more
Google has issued an urgent security warning after discovering a critical vulnerability in the Chrome browser. This security flaw affects all versions of Chrome — including those on Android, iOS, Windows, macOS, and Linux — making it essential for every user to update their browser as soon as possible. According to Google, the vulnerability is … Read more
📌 Introduction When planning or applying Exchange cumulative updates (CUs) — such as Exchange 2019 CU15 or Exchange SE RTM — there is a significant but often overlooked risk that can disrupt your on‑premises Active Directory replication. This issue specifically arises when the Schema Master FSMO role is held by a Windows Server 2025 domain controller. … Read more
🌍 The New Era of Cyber Threats Let’s be real — the internet isn’t what it used to be. Cyber threats today are faster, smarter, and far more dangerous than the simple viruses of the past. Attackers now use AI-powered phishing, identity theft, and multi-stage ransomware campaigns that can cripple entire businesses in minutes. That’s … Read more
🧭 Introduction: The End of an Era Windows Server Update Services (WSUS) has been a cornerstone of on-premises patch management for over 20 years. Since its release, WSUS has empowered IT administrators to manage Microsoft updates with precision—deciding what gets installed, when, and on which machines. In environments with limited bandwidth, strict compliance, or no … Read more
Introduction : A Hidden Bug That’s Been Around for a Decade Have you ever worked with a product or technology for years, only to realize it’s been carrying a known bug all along — one we often overlook? One such case is a decade-old issue in Failover Cluster Manager (FCM) that still exists in 2025. … Read more
Part 2 – Resource Exhaustion & Logic-Based Attacks 📘 Disclaimer: This article is intended solely for cybersecurity awareness and educational purposes. It does not endorse or promote any form of unauthorized access, attack simulation, or malicious activity. 📘 This is the second part of a two-part series. In Part 1, we explored foundational network-layer attacks … Read more
🗂️ Table of Contents 1️⃣ Match Summary India held their nerve in a tense finish to chase down 147, thanks to a match-winning innings from Tilak Varma (69 off 53) and a composed cameo from Shivam Dube (33 off 22). 2️⃣ First Innings: Pakistan Collapse After Strong Start Pakistan got off to a dream start … Read more