Windows 11 build 22621.1105 (KB5022303) releases for version 22H2

Microsoft releases the first Patch Tuesday update of the year for Windows 11 22H2 and 21H2, and here's all you need to know.

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By (@Pureinfotech) , Windows How-To Expert and IT Specialist with 21 years of experience.
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Windows 11 KB5022303
Windows 11 KB5022303
  • Windows 11 22H2 update KB5022303 (build 22621.1105) rolls out in the stable channel.
  • The update KB5022287 brings the build number to 22000.1455 for version 21H2.
  • This release ships with some fixes and improvements, with no new features.

Microsoft is now rolling out the update KB5022303 for Windows 11 22H2 (build 22621.1105) as the first Patch Tuesday of 2023 in the stable channel, and the update KB5022287 for version 21H2 with various fixes and improvements.

According to the Microsoft support page, build 22621.1105 introduces security fixes and addresses issues that affect the Local Session Manager (LSM) and apps that use Microsoft Open Database Connectivity (ODBC) SQL Server Driver (sqlsrv32.dll) to connect to databases.

In addition, the software giant released the update KB5022287 for Windows 11 21H2, which bumps the version number to build 22000.1455 and addresses issues that affect the Local Session Manager (LSM), apps that use Microsoft Open Database Connectivity (ODBC) SQL Server Driver (sqlsrv32.dll) to connect to databases, and problems with startup on some Windows devices.

If you want to update to Windows 11 build 22621.1105 immediately, click the download and install button from the “Windows Update” settings page.

Once you enroll the computer in the program, you can download build 22621.1105 (KB5022303) from the “Windows Update” settings by clicking the Check for Updates button. However, you will need a device that meets the minimum system requirements to receive the update if you are new to the Windows Insider Program.

About the author
Avatar for Mauro Huculak

Mauro Huculak is a Windows How-To Expert and founder of (est. 2010). With over 21 years as a technology writer and IT Specialist, Mauro specializes in Windows, software, and cross-platform systems such as Linux, Android, and macOS.

Certifications: Microsoft Certified Solutions Associate (MCSA), Cisco Certified Network Professional (CCNP), VMware Certified Professional (VCP), and CompTIA A+ and Network+.

Mauro is a recognized Microsoft MVP and has also been a long-time contributor to Windows Central.

You can follow him on YouTube, Threads, BlueSky, X (Twitter), LinkedIn and About.me. Email him at [email protected].