Desktop Central 9

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Desktop and Mobile Device Management software

Patch Download Failure - "Error 403" or "Unknown Host Exception"

Problem

You are trying to download patches of Microsoft/other vendors. However Patch download fails with error message: "Error Code 403 or Unknown Host Exception".

Cause

Error code 403 occurs when the web server is not reachable or access to the server has been denied. This might happen due to various reasons such as, forbidden access, or connectivity issues.

Resolution

  1. Ensure that the configured Proxy settings has permission to download the installabe files from the below mentioned websites
    1. http://download.microsoft.com - for Microsoft applications
    2. http://download.cdn.mozilla.net/ - for Mozila Firefox & Mozilla Thunderbird
    3. http://*.adobe.com - for Adobe patches, flash player, Adobe air
    4. http://fpdownload.macromedia.com - for Adobe Shockwave Player
    5. http://javadl.sun.com - for Java updates
    6. http://*.apple.com/ - for Mac OS updates, Quick time player, Itunes  & JRE 1.6
    7. http://cache-download.real.com - for Real player
    8. http://*.oracle.com/ - for JRE 1.7
    9. http://downloads.sourceforge.net/ - for Open Office
    10. http://dl.google.com - for Google chrome s
    11. http://ftp.jaist.ac.jp - for Mozilla Firefox 3.6
    12. http://jaist.dl.sourceforge.net - for OpenOffice
    13. http://www.piriform.com
    14. http://www.tightvnc.com
    15. http://get.videolan.org/
    16. http://download.videolan.org/
    17. http://download.tuxfamily.org
    18. http://www.rarlab.com
  2. Retry the process of downloading the patch from the vendors website.
  3. In case if this problem continues, kindly Contact Support

Applies to: Patch Deployment, Patch Configuration, Patch Download

Keywords: Patch Management, Deploy Patches, Configure Patch Installation, Download Patches

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