All questions related to installations, configurations and maintenance of Advanced Host Monitor (including additional tools such as RMA for Windows, RMA Manager, Web Servie, RCC).
I've been told by a customer (haven't tested it myself) that whenever HM detects a 404 (Page not found) in an URL test i returns -1 ms as %SuggestedReply%.
The customer would like if the answer could be the actual time it took before HM detected the 404 error and I promised that I'd ask for it, so here goes ...