Originally posted by SubsidedLemon:

Originally posted by Kejsaren:

No mods, neither me or they. I did not try to join by IP since none of us know how to check the IP and since I see no reason why it would work. We would be playing in one of my friends world. My other friends have no problems joining, but for some reason I could not join them.

The person who hosts it. Does he host it from home? Or is it a hired server?

Originally posted by hazelrah:

my wife has this problem sometimes. what we've found is that her steam profile is offline, even though she is able to see her friends list and it shows she is online. logging out of steam and relogging in seems to fix it.

I'm pretty sure he tried this by restarting his PC.