SQL Server Clustering

Failover Clustering vs. Network Load Balancing (NLB): Key Differences, Architecture & Use Cases

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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

Step-by-Step: Decommission SQL Always On Availability Group (AOG) via GUI

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1. Open SSMS and Connect to Primary Replica Always On High Availability → Availability Groups → [Your AG Name] → Availability Databases  This must be done first, and only from the primary. Here in my example : Availability group name is LB_AOG database name AdventureWorks2211 2. Remove Secondary Replicas ⚠️ Do this for all secondaries. … Read more