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.

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

Over the last several years, I have created numerous PowerShell tools that rely on a backend SQL Server database. Being that I have so much experience with connecting PowerShell to SQL Server, you ...

Microsoft confirmed that the October 13 KB5126646 update can prevent SQL Server linked server queries from closing ...

The specified network name is unreachable. SQL Server does not exist or access denied. (This can also be an authentication error) A network-related or instance ...

You can encrypt all incoming connections to SQL Server or enable encryption for just a specific set of clients. For either of these scenarios, you first have to ...

The issue affects Windows client and server systems. Microsoft says it plans to release an out-of-band update in the next few ...