Reply To: Could not connect to the server. Error is 138: Connection timed out Forum / NoMachine for Windows / Could not connect to the server. Error is 138: Connection timed out / Reply To: Could not connect to the server. Error is 138: Connection timed out February 25, 2014 at 18:07 #2549 BritgirlKeymaster It could be the VPN blocking you. Tell your VPN administrator that you need to connect from your machine to port 4000 on the server (your Workstation).
