Fix for Outlook Sync Error 0x800CCC0F in KB4484394 Summary
KB4484394 is an update for Windows Server, specifically targeting version 2016 and later. This cumulative update package includes quality improvements as well as updates that resolve security vulnerabilities. The update also introduces new features and enhancements to improve system stability and performance. Additionally, it addresses issues related to network connectivity, file services, and system reliability. It is recommended for systems running Windows Server versions 2016 and later to ensure compatibility with the latest software applications and hardware devices.
KB4484394 Fixes Synchronization Issues with Error Code 0x800CCC0F – Description of Patched Features
This cumulative update resolves a variety of security vulnerabilities affecting various components such as kernel-mode drivers, user mode components, and networking features. Specifically, it addresses issues related to Remote Desktop Protocol (RDP), Active Directory Domain Services (AD DS), DNS, WMI, and Group Policy Objects (GPOs). It also includes fixes for problems with the Server Message Block (SMB) protocol that can cause file sharing issues. Additionally, this update resolves a vulnerability in Windows CryptoAPI that could allow attackers to perform man-in-the-middle attacks against HTTPS websites. It also addresses known bugs related to networking and storage services, ensuring improved stability and performance across these areas.
Howto install KB4484394
- Before installing KB4484394, ensure your system meets the minimum requirements by checking for any pending updates through Windows Update.
- Download the update from Microsoft’s official website or use Windows Update to download it automatically.
- If downloaded manually, navigate to ‘C:\$Windows.~BT\WinUpdate’ and run ‘setup.exe’. If using Windows Update, proceed with the prompts.
- Wait for the installation process to complete. This may take some time depending on your system’s specifications.
- Once installed, restart your computer as prompted by the installer to apply the changes.
- To verify successful installation, go to ‘Settings > Update & Security > Windows Update’ and check if KB4484394 is listed under ‘View update history’. Alternatively, use PowerShell with the command:
Get-HotFix -Id KB4484394. - If issues arise during installation or after rebooting, revert to a system restore point created prior to applying this update.
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