What port(s) do the devises enrolled on ZMM use to sync with the ZMM server? I have ports 443, 5223, 2195 and 2196 opened on the firewall. I can get the device to enroll, but not sync after that. We currently are not using LDAP so I left out 636.

ZMM 2.7.2 on Win 2008 R2.