ReadyNAS Replicate Job Returning "Connect error code: -51"

mdgm-ntgr
My most recently purchased ReadyNAS has:

[2016/09/09 19:13:03] Factory default initiated by RAIDar (format used disks)!
[2016/09/09 19:13:06] Defaulting to X-RAID2 mode, RAID level 1
[2016/09/09 19:13:29] Factory default initiated on ReadyNASOS 6.0.8.
[2016/09/09 19:13:31] Factory default initiated by Frontview!
[2016/09/09 11:38:33] Updated from ReadyNASOS 6.0.8 () to 6.2.5 (ReadyNASOS).
[2016/09/09 11:51:24] Updated from ReadyNASOS 6.2.5 (ReadyNASOS) to 6.5.1 (ReadyNASOS).
[2016/09/20 10:50:35] Updated from ReadyNASOS 6.5.1 (ReadyNASOS) to 6.5.2 (ReadyNASOS).
[2016/10/06 15:31:19] Updated from ReadyNASOS 6.5.2 (ReadyNASOS) to 6.6.0 (ReadyNASOS).
[2016/10/31 07:49:08] Updated from ReadyNASOS 6.6.0 (ReadyNASOS) to 6.6.0 (ReadyNASOS).

And my older ReadyNAS has:

[2013/09/13 02:45:24] Factory default initiated due to new disks (no RAID, no partitions)!
[2013/09/13 02:45:29] Defaulting to X-RAID2 mode, RAID level 1
[2013/09/13 02:45:57] Factory default initiated on ReadyNASOS .
[2013/09/12 19:33:50] Updated from ReadyNASOS 6.0.0 to 6.1.2.
[2014/01/01 10:02:24] Updated from ReadyNASOS 6.1.2 to 6.1.5.
[2014/02/24 08:31:51] Updated from ReadyNASOS 6.1.5 to 6.1.6.
[2016/02/15 18:57:31] Updated from ReadyNASOS 6.1.6 () to 6.2.5 (ReadyNASOS).
[2016/02/15 19:08:41] Updated from ReadyNASOS 6.2.5 (ReadyNASOS) to 6.4.2 (ReadyNASOS).
[2016/10/07 14:08:07] Updated from ReadyNASOS 6.4.2 (ReadyNASOS) to 6.6.0 (ReadyNASOS).
[2016/11/03 08:20:34] Updated from ReadyNASOS 6.6.0 (ReadyNASOS) to 6.6.0 (ReadyNASOS).

Let me know if you need anything else. I was told there may be something wrong with a config file but no one seems to want to offer any assistance on that. It would be nice if you would give me a specific issue it may have and a few troubleshooting steps.