Hi, I just built RPMs of omniORB-4.0.1 and omniORBpy-2.1 on RedHat 9. I don't know how omniORB is affected by the different multithreading-implementation introduced in RH9, but at least the echo examples seem to run fine :) The RPMs are available at http://www.steffann.nl/omniORB/. Bye, Sander.