Following a reboot of our Exchange 2003 server, the Pop3 service stated it was started, but on trying to connect to port 110 using telnet it just popped up “connection to the host lost”. When we attempted to restart the service it hung when starting – there were no events in the event viewer following the stopping of the service.
The solution was to kill the process in Task Manager (inetinfo.exe). We found it immediately re-spawned and worked…