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chaley · 01-16-2017, 05:05 AM

You must ask calibre to produce a debug log. Instructions are here: How do I get help? in the section "Calibre debug log".

I looked at the CC debug log. The last time you tried to connect without using a fixed IP address was on 8 January. At that time CC found calibre's address using mDNS (bonjour), one of the two methods that CC uses to automatically find calibre. This means that the computer running calibre and the device are on the same network and that the device can see that computer. However, the other method, a network broadcast, did not find calibre. That and the fact that CC failed to connect to calibre using the IP address that mDNS provided (the same one you manually added) implies to near the point of certainty that *something* on the calibre computer is blocking calibre from receiving incoming network connections. I can't tell you what.

You can test this by starting your computer in Safe Mode with Networking (how depends on the version of windows) and then testing CC connections. Safe mode is supposed to start without running any AV or other programs.

FWIW: both broadcast and mDNS worked on 18 December.

If Trend Micro is your AV (your post implies that it is) then the problem probably lies in its "Firewall Booster". See https://esupport.trendmicro.com/en-u...t/1107553.aspx

01-16-2017, 05:05 AM	#4
chaley Grand Sorcerer Posts: 12,469 Karma: 8025600 Join Date: Jan 2010 Location: Notts, England Device: Kobo Libra 2	You must ask calibre to produce a debug log. Instructions are here: How do I get help? in the section "Calibre debug log". I looked at the CC debug log. The last time you tried to connect without using a fixed IP address was on 8 January. At that time CC found calibre's address using mDNS (bonjour), one of the two methods that CC uses to automatically find calibre. This means that the computer running calibre and the device are on the same network and that the device can see that computer. However, the other method, a network broadcast, did not find calibre. That and the fact that CC failed to connect to calibre using the IP address that mDNS provided (the same one you manually added) implies to near the point of certainty that something on the calibre computer is blocking calibre from receiving incoming network connections. I can't tell you what. You can test this by starting your computer in Safe Mode with Networking (how depends on the version of windows) and then testing CC connections. Safe mode is supposed to start without running any AV or other programs. FWIW: both broadcast and mDNS worked on 18 December. If Trend Micro is your AV (your post implies that it is) then the problem probably lies in its "Firewall Booster". See https://esupport.trendmicro.com/en-u...t/1107553.aspx