You have several ways to access vSphere components through vSphere interface options.

vSphere interface options include:

vSphere Client

A required component and the primary interface for creating, managing, and monitoring virtual machines, their resources, and their hosts. It also provides console access to virtual machines.

The vSphere Client is installed on a Windows machine with network access to your ESXi or vCenter Server system installation. The interface displays slightly different options depending on which type of server you are connected to. While all vCenter Server activities are performed by a vCenter Server system, you must use the vSphere Client to monitor, manage, and control the server. A single vCenter Server system or ESXi host can support multiple, simultaneously connected vSphere Clients.

vSphere Web Client

The vSphere Web Client is a Web application installed on a machine with network access to your vCenter Server installation. In this release, the vSphere Web Client includes a subset of the functionality included in the Windows-based vSphere Client, primarily related to inventory display and virtual machine deployment and configuration.

vSphere Command-Line Interface

A command-line interface for configuring an ESXi host. The vSphere Command-Line Interface can also be used to perform Storage vMotion operations on both ESXi hosts.

See Starting and Stopping the vSphere Components for information and instructions about starting and stopping ESXi hosts and vCenter Server.