Hi @Randy.Schuster,
Thank you for posting to the community.
Unfortunately, the timeouts for adrumExtUrl and beaconUrl cannot be configured.
However, Javascript agent is designed to not affect the functionality of monitored application even if ExtUrl or beaconUrl is unavailable.
It is also written in the document below.
https://docs.appdynamics.com/21.5/en/end-user-monitoring/browser-monitoring/browser-real-user-monitoring/inject-the-javascript-agent#InjecttheJavaScriptAgent-EUEMvideoHowtheJavaScriptAgentWorks
> adrum-ext.js is fetched asynchronously to prevent blocking the page load
There can be errors on developer console, but they don't affect the monitored application.
Best Regards,
Hiroki
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