I am using Connect-ViServer (IP Address of Vcenter Server) command. But gets the following error. I am able to login directly to esxi.
This should help you solve the issue
VMware KB: Connecting to the AutoDeploy server fails with the error: Could not connect using the req...
Please try using passthrough method and check if it works:
C:\PS>Connect-VIServer -Server vcenter1
Already tried this one.
Done.. powercli is using proxy bydefault. jst disabled it and now i am able to connect vcenter server...