[ixp1200] Error: rpccore backend client Timed out

Hi, I am new to VxWorks and Tornado.. I am using tornado2.2.1.. I started to tools--> target server --> configure I set in "Back End" as wdbserial and "Core files and symbols" as File --> C:\Tornado2.2\target\config\ixp1200eb\vxWorks.sym when I click Launch I the following tgtsvr (TestTarget@HostMachine): Fri Feb 04 16:40:27 2005 Checking License ...OK Connecting to target agent... succeeded. Attaching C++ interface... succeeded. Attaching elf OMF reader for ARM CPU family... succeeded. Error: rpccore backend client Timed out Can someone familiar with this error help me with this... I need to know why I get the error "Error: rpccore backend client Timed out" Thanks a lot. Mahin.