Scenario:
* Microsoft Windows updates are failing when clients traverse ProxySG on Explicit Deployment
* Microsoft Windows updates are working when bypassing the proxy
* You want Microsoft Windows updates to work via proxySG
If you are using one of the latest SGOS versions (6.2.x or 6.5.x) and Blue Coat WebFilter, you can take advantage of using the Application Control Feature to trigger "Microsoft Update". Below is an example of the CPL rule that can be installed on the Local Policy: