Add the following to your EventSource class after adding the nuget package [http://www.nuget.org/packages/Microsoft.Diagnostics.Tracing.EventSource/1.0.4-beta].
[Event(2, Keywords = Keywords.Database, Message = "Start processing request Database",
Channel = EventChannel.Admin, Task = Tasks.PasswordHashing, Opcode = EventOpcode.Start)]
public void RequestPasswordHashingWithoutParams()
It doesn't register any event data to the EventLog. As soon as you add a parameter to it, it starts working. Further details can be found here: [http://www.shujaat.net/2013/09/net-45-eventsource-windows-event-log.html]