I think the lack of response to your specific questions is likely due to the fact that the community has not focused on / actively maintains Windows support.
Yusaku From: jeff saremi Reply-To: "user@ambari.apache.org<mailto:user@ambari.apache.org>" Date: Wednesday, February 1, 2017 at 8:19 AM To: "user@ambari.apache.org<mailto:user@ambari.apache.org>" Subject: What's the state of Ambari dev/support? I posted 3 emails and logged 4 bugs. I only got one answer back. Is this project dormant or being actively worked on?