High availability (HA) is a core pillar of Azure SQL Database. Unlike traditional SQL Server deployments—where availability architectures must be designed, implemented, monitored, and maintained manu...

Azure SQL Database Data Sync has long been used to keep data consistent across multiple Azure SQL databases. However, as the service moves toward retirement, many customers are now asking an importan...

Why Azure SQL Data Sync Retirement Matters Azure SQL Data Sync relies on: Triggers Metadata tables Hub-and-spoke topology While functional, this architecture introduces complexity, perf...

As applications grow, their data stores often become bottlenecks—queries slow down, storage limits are reached, and performance degrades under heavy workloads. Traditional vertical scaling (adding CP...

Change Tracking (CT) in SQL Server is a lightweight mechanism for tracking data changes without the overhead of full auditing or CDC. However, when troubleshooting CT cleanup behavior, one issue that...

Co-authored with HaiderZ-MSFT​  Symptoms: How the Failure Appears When attempting a Major Version Upgrade in Azure Portal, customers typically encounter upgrade fails immediately or gets stuck an...

This error indicates a snapshot isolation conflict caused by concurrent schema changes during Azure SQL Data Sync operations. Here’s the analysis:   Root Cause The sync process uses snapshot ...

Current State Short-Term Retention (PITR) backups (1–35 days) do not support immutability. These backups are stored in Microsoft-managed subscriptions and storage accounts, and while customers ca...

Co‑authored with angesalsaa​  Symptoms Customer attempted to restore a server configured with public access into a private virtual network. Restore operation failed with an error indicating u...