I'm familiar with the clone-vm cmdlet but has anybody successfully cloned a vApp using powershell?
Helpful answer but found this which is excellent!
http://vmutils.blogspot.co.uk/2011/06/scripted-linked-cloning-pseudo.html
have you tried "CloneVApp_Task"
http://www.vmware.com/support/developer/vc-sdk/visdk400pubs/ReferenceGuide/vim.VirtualApp.html#clone
Helpful answer but found this which is excellent!
http://vmutils.blogspot.co.uk/2011/06/scripted-linked-cloning-pseudo.html
Great! I'm glad I was able to help ...a little ...lol