IIS 7 and Above
Application Request Routing (ARR)
Any way to log ARR_SERVER_ROUTED Server in ASP.NET
Re: Any way to log ARR_SERVER_ROUTED Server in ASP.NET
Jun 13, 2018 04:20 AM|anigo|LINK
I found it, turns out if you enable logging of query string in the logging configuration on the arr box, server-routed then shows up in the IIS logs as a query string, that's why you saw it on your end. I don't think it is possible to read it inside the
modules. it is very limited and constrained.