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AR# 18282

10.1 Install - WebUpdate error "Server Returned: Proxy Authentication required"


When I launch the WebUpdate utility, it looks for an update on the Internet and reports the following error:

"Server Returned: Proxy Authentication required."


This error occurs when you are required to provide a user name and password for Web access. The WebUpdate tool currently does not support this capability.

You can download the service pack at:


NOTE: To disable automatic checking of WebUpdates, uncheck "Enable Automatic WebUpdate" in the ISE Preferences.
AR# 18282
Date Created 09/03/2007
Last Updated 04/30/2012
Status Archive
Type General Article