Welcome to the first post of the "Most Important AppCmd Commands" series. Have you ever made some changes to a system's state, and then after everything suddenly stopped working, wondered how the hell you are going to get back to a working state? Well...

Usually, a day doesnt go by that I dont get a collegue or a partner team in Microsoft asking how to do something or other about AppCmd.exe, the unified command line management tool for the IIS7 server. For a while, I've been thinking about blogging...