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 ...