Sync begins but never successfully finishes and then becomes a hung task that needs to be cleaned up from the foreman-rake console. Sometimes it even kills candlepin and all services need to be restarted.
Download full list of packages from https://packages.microsoft.com/rhel/7/prod/
Foreman and Proxy versions:
Distribution and version:
Other relevant data:
I have been able other new repositories lately without issues and seems to be related only to this repo