KB5073700: Overview with user sentiment and feedback
Last Updated February 28, 2026
Probability of successful installation and continued operation of the machine
Overview
This update for Windows Server 2008 contains security-only improvements. The key changes include:- Changes to the behavior of Windows Deployment Services (WDS) to stop supporting hands-free deployment functionality by default. Administrators should review the provided guidance and follow the instructions in the Windows Deployment Services (WDS) Hands-Free Deployment Hardening Guidance.- Removal of the following modem drivers: agrsm64.sys (x64), agrsm.sys (x86), smserl64.sys (x64) and smserial.sys (x86). Modem hardware dependent on these specific drivers will no longer work in Windows.The update also addresses various security vulnerabilities. Refer to the Deployments | Security Update Guide and the January 2026 Security Updates for more details on the resolved security issues.
General Purpose
The purpose of this security-only update for Windows Server 2008 is to address a number of security vulnerabilities and make changes to the Windows Deployment Services (WDS) functionality and remove certain modem drivers.The security vulnerabilities addressed in this update are detailed in the Deployments | Security Update Guide and the January 2026 Security Updates. These updates help improve the overall security and stability of Windows Server 2008.The changes to WDS and the removal of the modem drivers are intended to harden the system and remove outdated or unnecessary functionality. Administrators should review the provided guidance to understand the impacts of these changes and take any necessary actions.
General Sentiment
Based on the information provided, this security-only update for Windows Server 2008 appears to be a necessary and important update. The security vulnerabilities addressed help improve the overall security posture of the system, which is critical.However, the changes to WDS functionality and the removal of modem drivers may cause some disruption for organizations still relying on those features. Administrators will need to carefully review the guidance and prepare for these changes to minimize any potential impact on their environments.Overall, the update seems necessary from a security standpoint, but there are some potential downsides that organizations will need to plan for and mitigate. A balanced approach of installing the security updates while also preparing for the WDS and modem driver changes is recommended.
Known Issues
- The update may not be offered to devices that do not have the latest Servicing Stack Update (SSU) installed. Administrators should ensure the latest SSU is installed before attempting to install this update.- If a language pack is installed after this update, the update will need to be reinstalled. It is recommended to install any needed language packs before installing this update.
Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2026-02-28 01:28 PM