Desktop WiFi sync on Windows 10 with an iPhone X with Codebook 220.127.116.11. Windows PC is using default Windows 10 security/firewall/anti-virus without any third party anti-virus.
I have noticed that the Sync listener on the desktop seems to stop listening for some reason. It could be after the computer has a sleep/wake cycle, or it could be just from being idle a long time. My Windows computer is usually on all the time, but sometimes I put it to sleep, and I have not been able to determine if this issue is caused by one or the other.
I see the issue when I go into the Sync section of the IOS app, and when browsing for the computer, it does not show up. I can reset this by going into the Sync preferences on the desktop app and changing the radio button from “Desktop WiFi” to “None”, then back to “Desktop WiFi” again. This seems to kick the sync listener back into working order. After I do that, the PC will show up in the IOS app again.
I usually sync 2 to 4 times per month, and this seems to happen maybe 50% of the time.