If DNS (Domain Name System) is not available, you have to resolve the IP address in the hosts file on all client and server machines. If the VMS is installed on a federated system, the IP addresses and hostnames of all federated servers have to be added.

  1. On Windows machines like engineering client and runtime client, launch an editor with administrator rights.
  1. Open the following file:
    C:\Windows\System32\drivers\etc\hosts
  1. Enter the following entry at the end of the file for the VMS server:
    [ip-address] [hostname]
  1. Save the hosts file.
  1. Test the entry with the following command:
    ping [hostname]
  1. On Linux machines like engineering server and runtime server, switch to user root. Enter the following command: sudo –s.
  1. With an editor open the following file :
    /etc/hosts
  1. Enter the following entry at the end of the file for the VMS server:
    [ip-address] [hostname]
  1. Save the hosts file.
  1. Test the entry with the following command:
    ping [hostname]