Solved: “Error 0x800f0922” – KB4485447 resolves update installation issues

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KB4485447 summary: Fixes the “Error 0x800f0922” issue during Windows Update installation

KB4485447 addresses several security vulnerabilities and performance improvements for Windows Server 2016. This update is cumulative, meaning it includes all the previous updates released for Windows Server 2016 since the last service pack or major update. It enhances the security posture of systems by addressing various issues related to remote code execution, denial of service, and information disclosure. The installation process can be carried out through a variety of methods, including the Microsoft Update service, Windows Update, or manually downloading from the official Microsoft website.

This cumulative update for Windows Server 2016 includes new security updates that help protect your system against the latest threats. It also resolves issues that may affect various server roles and services such as Active Directory Domain Services (AD DS), DNS, DHCP, Network Policy Server (NPS), Internet Information Services (IIS), Remote Desktop Services (RDS), BitLocker Drive Encryption, Windows Update, and many others. Additionally, it improves stability and performance by fixing issues related to system crashes, hang-ups, slow response times, and other reliability problems that users have reported.

This update resolves several security vulnerabilities affecting the operating system’s core components, including the kernel, network stack, file systems, and cryptographic services. It includes fixes for remote code execution (RCE) vulnerabilities in the Windows Kernel-Mode Drivers and Win32k component, as well as denial of service (DoS) flaws that could be exploited to cause a blue screen of death or system instability. Furthermore, it addresses information disclosure bugs where sensitive data might be exposed via the SMBv3 protocol or through improper handling of fonts in IIS.

This update includes improvements for Active Directory Domain Services (AD DS), such as fixing issues related to password policy enforcement and group membership changes. It also resolves problems with DNS service, like incorrect delegation responses leading to failed connections and slow resolution times. The DHCP client is updated to fix an issue where clients might not receive correct lease information from the server, causing connectivity disruptions.

For Network Policy Server (NPS), this update fixes issues where clients are denied access even if they fulfill all policy requirements or experience delays in authentication processes due to incorrect handling of packet filtering rules. Internet Information Services (IIS) gets improvements for stability and performance by addressing crashes related to improper memory management, slow response times caused by inefficient caching mechanisms, and issues with SSL/TLS handshake failures leading to connection timeouts.

This update enhances BitLocker Drive Encryption’s reliability by fixing problems where encryption might fail or take an unusually long time due to hardware compatibility issues. It also includes improvements for Windows Update to ensure that updates are installed correctly without causing system instability or unexpected reboots during the installation process.

To install KB4485447, you can follow these steps:

  1. Download the update from Microsoft’s official website if not already available through the automatic update service.
  2. Navigate to Control Panel > Windows Update and click on “Check for updates.”
  3. Select the “View online” option under “Important updates are ready to install.” Click the link to display a list of updates, then check the box next to KB4485447.
  4. Click “Install updates” and follow any prompts from the system.
  5. If using WSUS for managing updates in an enterprise environment, configure your servers to download and distribute this specific update to client machines according to your organization’s policies.
  6. After installation completes successfully, reboot the machine if prompted by Windows Update.
  7. To verify that KB4485447 is installed correctly, run “Windows PowerShell” as Administrator. Enter the following command: Get-HotFix | Where-Object {$_.HotfixID -eq ‘KB4485447’}.
  8. Check for any additional updates or patches required by this cumulative update and install them to ensure full compatibility and functionality.

KB4485447 description: Addresses the problem causing “Error 0x800f0922” by updating system files and improving stability

KB4485447 addresses security vulnerabilities, performance improvements, and resolves issues affecting various server roles and services including AD DS, DNS, DHCP, NPS, IIS, RDS, BitLocker Drive Encryption, Windows Update.

Howto install KB4485447

  1. Download the update from Microsoft’s official website if not already available through automatic updates.
  2. Navigate to Control Panel > Windows Update and click on “Check for updates.”
  3. Select the “View online” option under “Important updates are ready to install.” Click the link to display a list of updates, then check the box next to KB4485447.
  4. Click “Install updates” and follow any prompts from the system.
  5. If using WSUS for managing updates in an enterprise environment, configure your servers to download and distribute this specific update according to organization policies.
  6. After installation completes successfully, reboot the machine if prompted by Windows Update.
  7. To verify that KB4485447 is installed correctly, run “Windows PowerShell” as Administrator. Enter: Get-HotFix | Where-Object {$_.HotfixID -eq ‘KB4485447’}.
  8. Check for any additional updates or patches required by this cumulative update and install them to ensure full compatibility and functionality.

Similar questions

What does KB4485447 update on my computer?
How do I know if the KB4485447 update has been installed successfully?
Will the KB4485447 update affect the performance of my system or make it slower?
Can I roll back to a version before installing KB4485447 if there are issues after updating?
Does the KB4485447 update fix any security vulnerabilities? If so, which ones specifically?
Will KB4485447 cause my computer to restart unexpectedly or require a system reboot?
How can I check for new updates and install the KB4485447 manually if it’s not automatically available?
Does installing KB4485447 update conflict with any third-party software on my PC?
Can I download and apply KB4485447 update offline without an internet connection?
Is there a known issue list for the KB4485447 update that I should be aware of before installing it?

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