This could normally be due to long running transactions v$transaction and v$undostat as well as v$session could have helped you determine if you are licenses for awe you can check that for more info On Jul 25, 2008, at 2:32 PM, <genegurevich@xxxxxxxxxxxx> wrote: Hello. I am trying to shutdown immediate a database (10.2.0.3). Normally it takes couple of minutes. this time it has been running for about 25 min. When I look at the alert.log, I see already 4 log switches ( I have 3 logfile groups) and I wonder what could be the reason it is taking such a long time. I also don't remember seeing all the logswitches after the shutdown immediate. Would appreciate any thoughts thank you Gene Gurevich -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l