Note: Having the services located on multiple Microsoft Windows servers increases the complexity of maintaining the environment. Additional complexity comes in the form of administration overhead and licensing costs. In addition, this configuration introduces points of failure, such as network connectivity and name resolution related issues which may involve engaging additional vendors during outages and maintenance windows. Ensure that your infrastructure is configured in a redundant manner and you allocate appropriate resources considering these factors.
After installing vSphere Update Manager 6.0: