I've been having the same problem, but with a regular wired Joey 2, but ONLY on ONE of the H3's. The other H3/Joeys do NOT have this problem. Wouldn't you know it is dear old mom's H3/joey that is the problem child. I just end up rebooting the H3, and that clears it up, but as stated, rebooting is a pain, especially if one was watching something or recording. I posting this because I want Dish to notice more people with this problem.
Something even worse and odd on the previous software (the offending H3 system just got the new software May 26 at 12AM):
The last few nights, the problem system, dear old mom's, while viewing TV would instantly stop video and display the Not Authorized pop-up. Rebooting did not work. So, then, remembering how on very rare occasions, the Joey lose its pairing to an H3, I then accessed the Whole Home screen and NONE of the Joeys nor the H3 showed in the list. The H3 itself operates just fine in this state, and can even see and access MY H3 DVR in another room. Also, IIRC, I believe the MoCA summary showed mom's Joey as UNlinked, but also showing green STRONG MoCA strength. Now that makes NO SENSE. However, the INTERNET screen did show as the H3 not connected to my router.
So, I just Reset the Network and this solved the problem, BUT, It shows the Ethernet connection at the problem H3 as "MoCA" instead of the usual "Ethernet". I have both H3's and all Joeys connected to wired Ethernet. About 24 hours later, the same problem with the same fix of resetting network. I have to see if the same problem occurs now that the offending H3 has the latest software U927.
FWIW, I too, believe this to be a software issue because the other problem of MoCA icon appearing on the TV screen as less than strong makes no sense because the MoCA summary shows green STRONG for all H3's and Joeys and the MoCA details or mom's H3 are all green check-marks for all H3's and Joeys and no problems while the low MoCA icon is displayed, so I figure it is a sofware problem as may others have reported the same MoCA strength icon on their TV's with no problems.
Also, I would think that if it were a physical problem, no amount of resetting the network would fix the problem so immediately. I would expect the problem to still be there. I am deducing that both problems are SOFTWARE related, and not inherent of any problems of the H3, Joeys' or the other hardware and install. Again, I will see if U927 makes a difference.
So, Dish, please fix this. It is so annoying having conflicting information on diagnostic features.