This problem can be caused by network and server configuration issues. Alternatively, the problem can be caused by the client and server being logged on to different domains.

When a Windows server is added to a domain, ping is blocked by default. You must enable ping on the Windows server.

To check that the server and network are working correctly, try to ping the server from your computer.

If you cannot ping the server, Modeler will not be able to connect to the server. Resolve the server or network problems so that you can ping the server. Make sure the Windows Firewall is set up correctly. For more information, see Setting up the Windows Firewall.

If the client and server are logged on to different domains, there are two solutions to this problem:

For more information about setting up trusted domains, see Setting up trusted domains.