This being a separate issue there are other discussions elsewhere in this subforum on this particular question. If one has two My Cloud’s on their local network and is having trouble with remote access one can try setting one or both My Cloud units Remote Access configuration setting to Manual and then use alternate external port numbers (different from each other). Then one would configure port forwarding (for each of the values to each of the My Cloud’s) in their local network router’s administration screen.
An example of how to configure alternate remote access ports on a first gen v4.x single bay My Cloud:
