Re: vimService(Vim::load_session):The session is not authenticated

I wonder if you're actually auto-terminating your sessions with your perl script.

Add this to your script after you call load_session() but before your script falls out of scope -

Vim::unset_logout_on_disconnect().

Also, don't call Util::disconnect().

I prefer to use a $vim variable vs the global variable to avoid side effects as well.

$vim = Vim::load_session(...);

undef $Vim::vim_global = undef; # this clears the vim global

$vim->unset_logout_on_disconnect();

Watch your sessions in vCenter, see if they're being disconnected after you call your cgi script.