If you get this message when you tried to join the device into a Workplace.
The eventlog (Applications and Services\Microsoft\Windows\Workplace Join\Admin) has logged this message; event id 102 Workplace Join? You might be having problems with your certificate. There is a workaround for this problem.
Open Internet Explorer and go to Internet Settings. Open tab Advanced and scroll down until you see Security. Find Check for Server certificate revocation and deselect his one.
NOTE: do not try this in a production environment. This is an import security option that must be on in a production environment.
Click Ok and close Internet Explorer. Try it again. Now you have joined the Workplace without an error.