VMware Tools doesn't start automatically

Hi,

when I try to access a VM via pyvmomi VMware tools doesn't active. I can't automatically call some API calls on it, because VMware tools only activates, if I open the VM via GUI in vSphere on the Web/Remote Console before. Once I opened the VM manually I don't need to have any active session anymore, except when I try to use

creds = vim.vm.guest.NamePasswordAuthentication(username=vm_user, password=vm_pw, interactiveSession=True)

to start programs that can't be started without having interactiveSession set to True.

Is there some workaround for my problems here? I hope for help!

Thank you very much in advance!