To run PowerCLI cmdlets on vSphere and perform administration or monitoring tasks, first establish a connection to an ESX instance or a vCenter Server.

If you use a proxy server for the connection, verify that it is configured properly, so that the connection is kept alive long enough for long PowerCLI tasks to complete running.


You can remove a proxy by running Set-PowerCLIConfiguration -ProxyPolicy NoProxy.

Run Connect-VIServer with the server name and valid credentials.

Connect-VIServer -Server -Protocol http -User admin -Password pass

You can have more than one connections to the same server. For more information, see Managing Default vSphere Server Connections with PowerCLI.