VMware vSphere Update Manager

Provides centralized, automated patch and version management for ESXi hosts, virtual machines, and virtual appliances

Property	Default Value	Description
Download patches on service start	true	Controls whether to download patches on service start or not. This option does not take effect when the service starts for the first time after the deployment. This option takes effect on subsequent service starts and restarts.
Log level	INFO	Controls the log messages that vSphere Update Manager will write to its log files.
SOAP Port	8084	The port used by vSphere Update Manager Client plug-in to connect to the vSphere Update Manager SOAP server. The port must be open with two-way communication between all Update Manager servers if they are in an enhanced link mode setup.
Web Server Port	9084	The HTTP port used by ESXi hosts to access host patch files from vSphere Update Manager server.
Web SSL Port	9087	The HTTPS port used by vSphere Update Manager Client plug-in to upload host upgrade files to vSphere Update Manager server.