In customer environments that use a proxy server to control internet access, it may be required that the systems be configured with the network proxy settings at a system level.
This can be done by following the steps below;
Download a copy of PSEXEC from the link below;
Unzip the copy of PSEXE and run the following command from an elevated command prompt;
PSEXEX -d -i CMD
This will launch a command prompt running under the system context, in the command prompt enter in the following command;
C:\Program Files\Internet Explorer\iexplore.exe
This will launch Internet Explorer.
In the Internet Explorer Window, you can now configure your proxy settings based on the requirements for your proxy server to function