There are numerous prior threads on the Safepoint issue with the 04.04.02-105 firmware including some possible workarounds. See the following threads.
https://community.wd.com/t/new-release-firmware-release-04-04-02-105-1-27-2016/148441/69
https://community.wd.com/t/safepoint-not-visible-after-v04-04-02-105-firmware-upgrade/150993
https://community.wd.com/t/missing-safepoint-after-firmware-update-ver04-04-02-105-2016-jan/149031
https://community.wd.com/t/re-establishing-lost-safepoints/148609