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🔍 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 …
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, …
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 …
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 …
📝 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. …
📝 Introduction In any Active Directory environment, accurate time synchronization is critical for Kerberos authentication, group policy processing, and replication between domain controllers. The PDC Emulator in the forest root …
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 …
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 …
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 …
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 …