command line build step: .wsh file won't run; wcript.exe runs forever

i have a Windows Script Host file which runs from the command line when logged into the TC build server.

I tried to set up a "Custom Script" command line build step to run this......

    run: Custom Script:

    script: build_db.wsf /run /rebuild

The problem here, is that TC reports success, but the script never actually runs.

I got it to run by changing the build script to 'Executable with parameters', using 'wscript.exe' as the executable, with the script invocation as the arguments....

    run: Executable with parameters

    command executable: wscript.exe

    command parameters: build_db.wsf /run /rebuild

 Although the same invocation will run to completion when run manually on the build server, when run through TC, wscript.exe runs forever.

This seems to be a problem with v10; this works on v9 the 'custom script' version just works.