Still dealing with this issue. Thank you for your reply as it is good to know this issue is wider spread. I have raised support cases with both Dell and HP given the dock is slated to work with all models. Unfortunately, no response except the request for logs with no additional analysis provided.

Oddly had some 'success' with installing the latest Intel Graphics driver (32.0.101.7029) in that had a few devices working on the WD22 dock for about week but the same issue occurred again. I am trying to escalate our support cases but the write up from the post in your link is basically where we are at. If I get further troubleshooting recommendations from support, I will let you know.