>Not long, about 5 seconds. Another person suggested there might be a timeout of some sort regulating when >the lock dialog appears.
>
>Yet I'm confused. Seems to me there should be no password required when using 'Start New Session' --- that >is what the 'Lock Current & Start New Session' option should be for.

Agreed, the behavior should be as you described and should be consistent all the times.
Since you can reproduce the problem several times, I think there is enough material to open a new bug report.

  Michele