Microsoft confirms recent Windows updates cause SQL Server performance and stability issues. An emergency fix is coming.

The problem is that after the October 13 (KB5126646) update, connections created by SQL Server linked server queries might remain open. According to Microsoft, "As additional queries are performed, ...

Microsoft has confirmed that Windows updates released since the October 2026 Patch Tuesday are causing SQL Server performance and stability issues.

On November 10, 2026, a monthly security update was released for 'Microsoft SQL Server,' which is widely used as a database for internal systems and core business operations, containing an extremely ...

Explore server-side performance optimization with profiling, slow query analysis, caching and concurrency fixes for faster ...

New features show the cost of every query, let teams set spending budgets, and mirror the access rules customers ...

Devart adds client-side column encryption for SQL Server, support for the latest IDE releases, and compatibility with ...

After Windows updates released October 13, 2026 (KB5127648), and later are installed on server devices, connections created by SQL Server linked server queries might remain open after the queries ...

This problem may occur when a server login has been deleted or when a database is migrated or restored to a different SQL Server instance without its corresponding server-level logins being recreated.

SmartBase by Miyoni is a free SQL-powered cloud backend platform that bundles database management, REST APIs, cloud storage, ...

Database-level managed identity gives an individual database in Azure SQL Database its own user-assigned managed identity (UAMI). A database that has one authenticates to Azure Storage as itself, ...

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