I am trying to troubleshoot 502.3 errors from ARR in IIS 7. Tracing and ARR are installed. I tried following the instructions on this page but I do not have the option to check Rewrite or RequestRouting under WWW Server in the "Select Trace Providers" prompt. What might I be missing?
http://www.iis.net/learn/troubleshoot/using-failed-request-tracing/using-failed-request-tracing-rules-to-troubleshoot-application-request-routing-arr