Your Package Server could not access own Web Site using HTTPS on CEM (Cloud-Enabled Management) mode, although it is configured to serve it. The HTTPS CEM requests from clients cannot be served.
See logs for detailed failure reason. (health state: 0x00000330)
.
You verified the following:
ITMS 8.x
Publishing HTTP codebases on a CEM mode package server could cause conflicts since only HTTPS communication should be allowed.
Try the following, at the following SMP Console location:
Settings > Notification Server > Site Server Settings > Site Management > Internet Sites > Default Internet Site > Site Servers > <SiteServerName> under the "override them by custom settings" section, both:
Deselect "Publish HTTP codebase" should resolve the issue.