Applies to ZWCAD, ZWCAD+, ZWCAD Classic, ZWCAD Architecture and Mechanical.


Solution:

1) Check if the NLM(Network License Manager) is the latest version;


      


2) Make sure the license has been activated and is ready to distribute;


3) Check if the workstation can access the license server by Ping and Telnet, Ping is to check if the network is OK while Telnet to test the port;

   a) Click Start, choose Run, and then enter ping and the server's IP address. For example: ping 192.168.0.5;

   b) Turn on Telnet as the below figure shown;



   

   c) Click Start, choose Run, and then enter telnet and the server's IP address and port. For example: telnet 192.168.0.5 27001.

If there is any problem for Ping and Telnet, please ask the IT department for assistance.


4) Check if the license on the server is for the version you are going to activate on workstation. For example, the license on the server is for ZWCAD+ 2012 version, but you try to get floating license for ZWCAD+ 2014;


5) Check if the workstation is restricted to get floating license from the server on ZWFLEX.OPT file, which you can find it in NLM installation directory(for example: C:\Program Files(x86)\ZWSoft\ZWCAD+ 2014 Network License Manager ENU).


6) Try to turn off the firewall on the server or add the following programs from the NLM installation directory to the white list.

   1. zwflex.exe

   2. lmgrd.exe