appcmd.exe clear config -section:system.applicationHost/serviceAutoStartProviders -commit:apphost
appcmd.exe set config -section:system.applicationHost/serviceAutoStartProviders /+"[name='MyAutoStartup',type='WorkerHost.StartupClient, WorkerHostAssembly, version=1.0.0.0, Culture=neutral, PublicKeyToken=null']" /commit:apphost
appcmd.exe set apppool "WorkerHostPool" /autoStart:"true" /startMode:"AlwaysRunning" /processModel.idleTimeout:00:00:00
appcmd.exe set app "Default Web Site/WorkerHost" /serviceAutoStartProvider:"MyHostAutoStartup" /serviceAutoStartEnabled:"true"