Mark: The install guide says to install as user root, not as user sgeadmin. I don't know if this is relevant for your case. For each user experiencing problems, see if rsh problem_compute_node uname -a returns anything other than an error. Joe -- Joseph Landman, Ph.D Scalable Informatics LLC email: landman@scalableinformatics.com web: http://scalableinformatics.com phone: +1 734 612 4615