Can't see PLC 5/80 tags in the tag browser

We have 13 PLC 5 PLC’s. 4 of them are 5/80’s. I can see tags in all of them but the 5/80’s. They all show connected in devices. 3 of the PLC 5/80’s are connected through a controllogix gateway to DH+ and the other one is direct connected. Is there something preventing the 5/80 processors from letting me see their tags? I can see them in rslinx opc. Has anyone else solved this problem?

I am having this same problem. What was this fix?