-
LLMNR Security Risk – How Attackers Exploit It and How to Protect Your Network in AD
🔍 Understanding LLMNR (Link-Local Multicast Name Resolution) In this post, I am going to explain what LLMNR (Link-Local Multicast Name Resolution) is, how it works, and why it’s important to secure or disable it in enterprise networks. 🧩 What is LLMNR? LLMNR is a protocol used by Windows systems to resolve hostnames when DNS resolution…
-
🚨 Microsoft Product End-of-Life: What You Need to Know Before October 14, 2025
Microsoft has already announced that several key products will reach their end-of-life (EOL) on October 14, 2025. After this date, these products will no longer receive security updates, bug fixes, or technical support. It’s crucial for organizations and IT professionals to plan ahead to ensure continued security and functionality. 🖥️ Windows 10 Reaches End of…
-
🔐 Understanding Email Authentication: SPF, DKIM, and DMARC Explained
Email authentication is one of the most important layers of protection in modern communication. It helps ensure that messages are genuine, untampered, and sent from authorized sources — protecting both your organization and recipients from phishing and spoofing attacks. Let’s break down why authentication matters and who checks what during the email flow. 💡 Why…
-
Did you notice “Request Files” option is missing in One Drive for Business?
Today, I received a support ticket regarding the missing “Request Files” option in OneDrive for Business for certain M365 tenants. In some tenants, this option is available: However, in one tenant, the “Request Files” option in OneDrive is not available. Both tenants have the same subscription, and there is no issue history or relevant information…
-
🔐 Understanding LDAPS in Windows Server 2025: Default Security and Configuration
📝 Introduction With increasing security demands and best practices, Microsoft Windows Server 2025 now enforces LDAPS (LDAP over SSL/TLS) by default, while traditional LDAP (unencrypted) is disabled unless explicitly enabled. This shift strengthens the integrity and confidentiality of directory communications. This blog will guide you through understanding this new default, verifying LDAPS, enabling LDAP (if…
-
🗄️ How to Archive a SharePoint Online Site (With Demo & What Happens After)
As your organization evolves, some SharePoint sites become inactive. Maybe a project is completed, a team restructured, or content is no longer actively used—but still holds value. Instead of deleting these sites, it’s smarter to archive them. In this blog, we’ll walk through: ✅ What is meant by archiving a SharePoint site✅ Step-by-step demo to…
-
🏗️ How to Create or Enable Subsites in SharePoint Online (Modern Experience)
Subsites have been a core part of SharePoint’s site architecture for years. While Microsoft encourages a flat structure using Hub Sites in modern SharePoint Online, subsites still have valid use cases—such as organizing team-specific spaces under a project or department site. In this post, we’ll walk through: ✅ What subsites are✅ Why and when to…
-
Level Up: Resources, Certifications, and Learning Paths for SharePoint Online Administrators
Welcome to the final post in the SharePoint Online Administrator series! 🎉Over the last 9 posts, we’ve built a strong foundation in architecture, permissions, security, automation, and troubleshooting. Now it’s time to zoom out and focus on your growth as a SharePoint professional. In this post, we’ll explore: Let’s take the next step in your…
-
Troubleshooting Common SharePoint Online Issues: A Practical Guide for Admins
Welcome to Post 9 of the SharePoint Online Administrator series! Up until now, we’ve focused on setup, security, automation, and reporting. But as any seasoned admin knows, troubleshooting is where theory meets reality. Whether you’re handling broken links, sync issues, or permission complaints, being able to quickly identify and resolve SharePoint problems sets you apart….