To enable the VMware Horizon View Logon Monitor service, open services.msc on the system where the VMware Horizon View Agent is installed. Look for the VMware Horizon View Logon Monitor service. Once you find it, right-click on it and select Properties. Now, under the General tab, select Automatic in the Startup type drop-down. Click Apply and then click OK. Now, right-click on the VMware Horizon View Logon Monitor service and select Start.