The most probably Web Viewer can't reach Open Cloud Server. You need to perform the next steps:
- Change Web Viewer configuration: https://cloud.opendesign.com/docs/index.html#/webviewer?id=build. Parameter api_host should point to the IP address of the Open Cloud Server.
- Run Open Cloud Server with urls " dotnet OpenCloudServer.dll --urls http://0.0.0.0:8080"
To create another user please use Open Cloud Server API.