You may need to check if you have no programs running on conflicting ports, and have enough RAM allocated to the server.
You can.
if you created it right then they have to know you multiplayer server address to get to your multiplayer server
it means that the server is either turned off, or is encountering problems
hypixel's server, i cant remember the exact address, but you can just google it
Type in the IP address or Hamachi address of your friend's correctly or play the premium Minecraft. Myncraft1: Your friends has to be on (Hamachi) to connect to his server
The hamachi part yes as long as the hamachi is active for that server the server itself cant run though as the server is local to the computer.
You can.
if you created it right then they have to know you multiplayer server address to get to your multiplayer server
hypixel's server, i cant remember the exact address, but you can just google it
it means that the server is either turned off, or is encountering problems
Type in the IP address or Hamachi address of your friend's correctly or play the premium Minecraft. Myncraft1: Your friends has to be on (Hamachi) to connect to his server
Low memory space...?
you go on minecraft launcher and go to options and force update you cant update if you got classic
You should be able to. Contact your friend and see whether or not he or she set up the server right.
You can. The server just has to be on when you try to join or the server is whitelisted and you aren't on the whitelist.
Make sure you installed the software correctly, and that your server is on. Also, make sure that you portforwarded correctly, or Hamachi is set up correctly. If all else fails, rent one from a company that specializes in Minecraft servers. You can find a huge list of servers on BestMinecraftHosts.com
to get onto a server you must log in with a valid minecraft account