How to resolve error code 0x800f0906: Windows couldn't connect to the internet in Windows Server 2012 R2

To resolve error code 0x800f0906 in Windows Server 2012 R2, follow these steps:

1. Verify your internet connection: Ensure your server is online and that your network settings are correct.
2. Temporarily disable firewall: Turn off your firewall temporarily to check if it is hindering the connection.
3. Install updates: Confirm your server has the latest updates and patches installed.
4. Reset Windows Update components: Restarting the Windows Update components can fix update process issues. Open Command Prompt as an administrator and enter these commands:

    net stop wuauserv
    net stop cryptSvc
    net stop bits
    net stop msiserver
    ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
    ren C:\Windows\System32\catroot2 catroot2.old
    net start wuauserv
    net start cryptSvc
    net start bits
    net start msiserver

5. Run System File Checker: This tool can find and repair corrupted system files. Open Command Prompt as an administrator and type:

    sfc /scannow

6. Utilise the DISM tool: The Deployment Image Servicing and Management (DISM) tool can repair the Windows image. Open Command Prompt as an administrator and type:

    DISM /Online /Cleanup-Image /RestoreHealth.