Failsafe transition from “Receive Only” to “Send and Receive”

Thanks Evgeny,

will answer asap in more detail.

For the moment only the information that, after changing to “Send and Receive” on both A and B, things seem to go well for the time being.

I’m only still not sure whether this has happened:

…because on PC A (sorry, used “A” for the source PC over there), it seems that there HAS been some sort of mass deletion of files :o