I have gone in several huge circles on this issue. I have found a few postings regarding this issue and tried the suggestions but could not resolve the issue. I have four windows PCs and will refer to them as A, B, C and D.
Physically A, B, D are in my home on my desk, D is a few miles down the road in my son's house.
Yesterday:
A could connect to B & C but not D (the darn blocklist problem)
B could connect to A & C but not D
C could connect to A & B but not D
A, B, C are assigned to my account
Could not test D because of the distance. D is assigned to my son's account.
Today:
I went to my son's house, D could connect to A, B & C
I found some instructions in the forum as to how to uninstall TV and remove all traces. I uninstalled/reinstalled TV on D
Now to test
A connected to B, C and D
B connected to A, C and D
C connected to A, B, and D
D could not connect to A & C but could not connect to B
Other than uninstalling/reinstalling on D I did NOT make any other changes to any of the PCs.
All PCs have TV Version: 15.25.5 (64-bit) installed
IMHO there is a BUG!