During the VC SSO installation I was facing the error “Wrong Input – Either a command Line argument is Wrong “ and I found if HA SSO service is selected as High Availability mode then  instead of local administrative group we need to mention the appropriate AD group or AD user which is recognized by the SSO .Once the installation is completed , members from the AD group can login to the VC using the client..

SSO HA Mode.

We shouldn’t provide the local group.

We need to provide the appropriate AD group and the members of the group can login to the VC.

Reference :

http://www.jonathanmedd.net/2013/06/vcenter-server-5-1-installation-fails-with-wrong-input-either-a-command-line-argument-is-wrong.html