[2019] 3-0x0001000B server is unreachable

Originally posted by Chun: please fix it asap, its the new operation going on, and we cant even connect to the server ! UBISOFT !!!

It sounds like it might be an issue with your ISP (Internet Service Provider) connecting to the server. Try restarting your router and PC. If the problem persists, reach out to our Support team. [support.ubi.com]