...
4- Check that the client has Internet connection with the server machine,
e.g. use the console command
ping <server_ip>
5- The most common cause of connection problems is the last one, the presence or a firewall forbidding the connection.
Check that the client is allowed to connect in the port 7073. Maybe the server has a firewall that is forbidding external connections to this port, this is useful.
Try temporary disabling the firewall, to verify if this is the problem,
and finally enable again the firewall but add a rule to allow the incoming connections with passerverd at the port 7073The most common cause of connection problems is the last one, the presence or a firewall forbidding the
(see Windows firewall issues)
6- Passerver writes a server.log file at <PasServer>\logfiles\server.log
e.g.
C:\Program Files\PasServer 2.6\logfiles\server.log
Examine this file to know if there is some user connection.