A have installed TREX server 6.1.15. After post installation steps I opened TREX_02 console. I ran runInstallationTest.py . It got hang . In file TrexNameServerAlert.trc I found the following lines :
 2006-02-21 16:00:21.109 e Service TrexService.cpp(02729) : <b>main loop threw unexpected exception</b>
Thanks in advance .