TFS Release Management Build Agent Doesn’t Pickup Jobs

If your build tells you “Build Not started”, “Waiting for an available agent”, or “Waiting for an agent to be requested”, make sure that your agent is running (if as a service, then it’s called “VSO Agent”) as well as the “Visual Studio Team Foundation Background Job Agent” service. The latter feeds the former. In my case, I am using TFS 2015 and the latter appeared to be configured as “Automatic (Delayed Start)” but had to be configured as “Automatic” instead.