I don't know if version/server kind matters, but I don't see this on Windows 10. I added new font file, and it wasn't registered after reboot, or shutdown/restart.
argh...
I tried it on fresh Windows 7/8.1/10 Enterprise VMs and couldn't see it. so I just retried on my windows 2012 r2 and can't see it now either. not sure why I was able to reproduce it several times the other day
Ignore patch then
Thanks daniel