KB28204160 Update Rollup for SCCM 2403: Fixes for Reboot and Content Download Failures

The KB28204160 update rollup for Microsoft Configuration Manager (SCCM) version 2403, released on November 6, 2024, delivers critical fixes to improve functionality, enhance performance, and resolve persistent issues like task sequence reboots and content download failures. This article covers all you need to know about the update, including resolved issues, benefits, and installation guidelines.

Key Fixes in KB28204160 Update Rollup

1. Task Sequence Reboot Timing Fix
   • Problem: Task sequences were triggering unexpected double reboots due to a timing issue, even when the SMSTSWaitForSecondReboot variable was configured.
   • Solution: The update ensures accurate timing, eliminating unnecessary reboots and preventing disruptions during deployments.
2. Content Download Failures from Cloud Management Gateway (CMG)
   • Problem: Users experienced failures downloading content from the CMG, particularly with BranchCache enabled and boundary groups configured. Errors like HTTP code 500, status 'Internal Server Error' were logged in DataTransferService.log.
   • Solution: The update resolves these errors, enabling seamless content downloads and improving overall client experience.
3. Improved Collection Management and Policy Processing
   • Problem: Delays in collection management and policy processing caused slow responses and repetitive entries in the policypv.log file.
   • Solution: This rollup accelerates processing times, optimizing management tasks.
4. Security and Code Integrity Scanning Adjustments
   • Problem: Temporary files used by management points and CMGs triggered false positives in security and code integrity scans.
   • Solution: By precompiling and signing these files, the update reduces unnecessary alerts and ensures compatibility with security tools.
5. Unexpected Service Terminations
   • Problem: The SMS Agent Host service (ccmexec.exe) was unexpectedly terminating during content downloads, causing interruptions.
   • Solution: This update resolves the issue, ensuring uninterrupted service.

Hotfixes Included in the Update Rollup

This update rollup also incorporates several critical hotfixes:

• KB28290310: Enhancements for Cloud Management Gateway (CMG).
• KB28458746: Fixes for software update management clients.
• KB29166583: Security improvements for management points.

Why You Should Install the KB28204160 Update

Installing this update ensures that your SCCM environment runs smoothly, with critical bugs resolved and improved system performance. It also enhances compatibility with modern security tools, reducing the risk of disruptions caused by false positives.

How to Install the KB28204160 Update

The update is available in the Updates and Servicing node of the Configuration Manager console for SCCM environments using version 2403. Follow these steps for installation:

1. Open the Configuration Manager console.
2. Navigate to Administration > Updates and Servicing.
3. Look for the KB28204160 update rollup.
4. Select it and click Install.
5. After installation, manually update secondary sites:
   • Go to Administration > Site Configuration > Sites.
   • Select the secondary site and choose Recover Secondary Site.
   • The primary site will reinstall the secondary site using the updated files.

Conclusion

The KB28204160 update rollup for SCCM 2403 is a vital update for organizations using Microsoft Configuration Manager. By addressing critical issues like task sequence reboots, content download failures, and security scanning compatibility, this rollup ensures a more stable and efficient environment. Don’t delay—apply this update today to maintain optimal performance and reliability in your SCCM infrastructure.

FAQs

1. What does KB28204160 fix in SCCM 2403?
This update addresses task sequence reboot issues, content download failures from CMGs, collection management delays, and unexpected service terminations.

2. Is the KB28204160 update mandatory?
While not mandatory, this update is highly recommended for SCCM 2403 users to resolve key issues and improve system performance.

3. Can I install KB28204160 directly?
Yes, the update is available in the Updates and Servicing node of the SCCM console for version 2403 users.

4. How do I update secondary sites after applying the rollup?
Use the Recover Secondary Site option in the Configuration Manager console to update secondary sites.

5. Where can I find more information about this update?
Visit the official Microsoft documentation for detailed guidance.

Stay updated with SCCM improvements by regularly applying the latest rollups. Optimize your deployment environment with KB28204160 today!