The P2P landscape is volatile. Servers go offline due to hardware failure, legal pressure, or administrative abandonment. New servers pop up to take their place. An outdated server.met file means your client is trying to connect to "ghost" servers. The result?
You can update your list manually or set it to refresh every time you open the program. Open eMule and go to the Servers tab. Download emule server.met
When eMule starts, it reads this file and tries to connect to the servers listed. Over time, servers go offline or change addresses, so you must to stay connected. The P2P landscape is volatile
The server.met file is essentially the phonebook for your eMule client. It is a plain text or binary file containing a list of IP addresses and ports of active eD2k servers. Without this list, your eMule client is like a phone with no contacts—it can make a call, but it doesn’t know who to call. An outdated server