Exactly what the title says. I need to stop IE 8 from reloading the PAC file on every request the browser makes.
I only require it to load once per session.
migrated from stackoverflow.com Jan 28 '10 at 6:02
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IE should be caching the PAC result per server/host by default and should only be reloading the PAC file when it resolves a host it hasn't talked to on that session, it shouldn't be loading it on every request.
The registry key that controls whether it caches the result by host or not is:
Or you can control it with group policies with the following setting: