trying to install external platform services controller appliance - get "Progress Controller: [VCSA ERROR] - Progress callback error"

Hi all,

Trying to install and external PSC appliance 6.0 u1.  Put in the info and click next to start the install and it sits there for a few minutes and fails.  At the bottom of the vcsa_0000.log is the following:

2015-11-20 09:35:40.590700 --prop:guestinfo.cis.appliance.time.tools-sync=True

2015-11-20 09:35:40.590700 --prop:guestinfo.cis.clientlocale=en

2015-11-20 09:35:40.590700 --targetSSLThumbprint=*

2015-11-20 09:38:40.857317 Progress Controller: [VCSA ERROR] - Progress callback error

2015-11-20 09:46:53.767685 Progress Controller: Closing the installation wizard

Not sure what the issue is here.  I Googled the error and got nothing.