I've been seeing this error popping up quite a bit recently (we're using Torque 3.0.5), which is giving a general 'cluster failure' Galaxy error on jobs: galaxy.jobs.runners.pbs WARNING 2013-05-19 18:56:44,073 (10588) pbs_submit failed (try 1/5), PBS error 15033: No free connections This just recently started springing up after we had been using the cluster for over a year, not sure why it would start acting up now. This appears to be related to a bug/defect with pbs_python, which doesn't seem to have been fixed yet (I posted a query whether this has been addressed): https://oss.trac.surfsara.nl/pbs_python/ticket/29 Restarting helps, but are there any other recommended workarounds? Is the only solution recompiling Torque with NCONNECTS? chris