KB5055570: Overview with user sentiment and feedback

Overview

KB5055570 is a security-only update released for Windows Server 2008 R2 Premium Assurance customers. This update addresses important security vulnerabilities and includes critical system protections. The update is part of the April 2025 security updates and requires the latest Servicing Stack Update (SSU) KB5056456 to be installed first.

General Purpose

The primary purpose of this security update is to address vulnerabilities in Windows Server 2008 R2. It includes protections related to OS Security and Kerberos Authentication. A notable change involves the creation of a new %systemdrive%inetpub folder as part of security enhancements. The update also implements protections for certificate authority vulnerabilities, specifically addressing cases where a certificate authority is present in the Windows root store but not in the NTAuth store.

General Sentiment

The general sentiment towards this update appears cautious but necessary. While it addresses important security vulnerabilities, the implementation requires careful attention to prerequisites, particularly the requirement for the latest Servicing Stack Update (KB5056456). The update introduces some behavioral changes that administrators should be aware of, such as the new inetpub folder creation and potential Event ID 45 logging on domain controllers.

Known Issues

• No specific known issues have been officially documented by Microsoft for this update
• The update requires installation of the latest Servicing Stack Update (KB5056456) before it can be installed
• Event ID 45 events may be logged on domain controllers due to the Kerberos Authentication changes

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 2025-05-24 02:20 AM

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