You can install vCenter Single Sign On, vCenter Inventory Service, and vCenter Server together on a single host machine using the vCenter Server Simple Install option.

This task continues the vCenter Server upgrade using Simple Install from the task Install vCenter Single Sign-On as Part of a vCenter Server Simple Install.

If Inventory Service is installed on the computer, this procedure upgrades Inventory Service.


If you are upgrading or reinstalling an existing instance of Inventory Service, choose whether to keep the existing database or replace it with a new empty database.


Click Install.

Inventory Service is upgraded, and the vCenter Server upgrade wizard starts.

Upgrade vCenter Server. Proceed to Upgrade to vCenter Server 5.1 as Part of a Simple Install.