Hi, thanks for your reply! fairlie rego schrieb: > But to answer your question as to why this plan is set , > if the resource_manager_plan is changed > by Scheduler windows, it is changed to SCHEDULER:XXX. That's a great hint, there have been several windows with a fixed plan set. I changed this to undefined, and it works very well. Thanks a lot! Martin -- Usn's IT Blog for Linux, Oracle, Asterisk http://www.usn-it.de -- //www.freelists.org/webpage/oracle-l