Great 
Thanks for posting how the solution to your problem works!
For the record: any network connection that is stable, will work. In practice, that almost always means that a cable is preferable over wireless for any server (with 2.4 GHz WiFi your server could be offline everyday before dinner without any way to find out the cause, until you speak with your neighbours and hear that they use their microwave for cooking every day since they read that it uses much less energy than a gas stove, as a long-winded example 
)
Have fun with your server!