Yes I understand that usually "No peers online" means no peers online or some sort of communication issue. I don't think that that is the reason this thread was started or the reason for at least a few of us having this problem.It seems to me that there are some knowledgeable people that are having the problem and they can rule out a connectivity problem. In my case, the peer to peer is computer to computer hardwired. As I have already said, I have other snyc folders that are syncing to the same peer computer and are not having trouble. It was only one sync folder that was not syncing and saying "No peer online" when obviously connectivity was not the problem. I deleted the database for that sync folder. BitTorrent Sync rebuilt the database. That folder is now syncing without a problem. It is an n=1 solution right now. It would be interesting to see if other people with the same problem do the same thing and get the same results - a fixed sync folder. I did not have the debug log on. I have it on now, but everything is working and syncing. What message does BitTorrent Sync give if a synce folder's database is corrupt? Databases can become corrupt.