KB5062597: Overview with user sentiment and feedback

Overview

KB5062597 is a July 2025 Monthly Rollup update for Windows Server 2012 R2 and Windows 8.1. This update includes important security hardening changes to the Microsoft RPC Netlogon protocol and addresses stability issues that were observed after the May 2025 security update. The update is part of Microsoft's ongoing effort to maintain security and stability for systems running Windows Server 2012 R2, which reached end of support in October 2023 but continues to receive Extended Security Updates (ESUs) until October 2026.

General Purpose

The primary purpose of this update is to implement security hardening changes to the Microsoft RPC Netlogon protocol. After installation, Active Directory domain controllers will enforce stricter access controls by no longer allowing anonymous clients to invoke certain RPC requests through the Netlogon RPC server. These changes particularly affect domain controller location services and may impact certain file and print service software, including Samba implementations. The update also resolves stability issues that emerged after the May 2025 security update, where some devices became unresponsive in specific scenarios.

General Sentiment

The general sentiment towards this update appears positive as it addresses important security hardening measures and fixes previous stability issues. However, administrators should be aware that the changes to the Netlogon protocol may affect certain network services, particularly those involving Samba implementations. Organizations using Samba should review their configurations and consult the Samba release notes before deploying this update. The update requires the latest Servicing Stack Update (SSU) KB5058529 to be installed first, which is an important prerequisite for successful deployment.

Known Issues

• No known issues have been reported with this update according to Microsoft's documentation
• The update requires latest SSU (KB5058529) to be installed first
• Organizations using Samba should review their configurations as the Netlogon protocol changes may affect their services
• Language packs must be installed before this update to avoid reinstallation

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 2025-07-10 12:16 AM

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