Gathering Additional Evidence netstat -a The netstat -a command returns important information about your TCP and UDP ports. To produce a netstat -a output, take the following action:1. Access the affected computer's command line. 2. Run the following command:netstat -a > netstat.out 3. Locate the netstat.out file. 4. Forward the netstat.out file to OpenLink Product Support.Be advised. If a OpenLink Multi-Tier client produces "Program Unavailable," "Remote System Error," "Unknown Host," or UDP broadcast errors, run netstat -a on both your client and server.