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unable to schedule MMON Slave, error 100 in alert log after 11.2.0.3 upgrade

edited May 13, 2013 4:31AM in Database Administration (MOSC) 6 commentsAnswered ✓
Since I upgraded to 11.2.0.3, I'm seeing the following in the mmon trc file, seems to be 4 times an hour. Has anyone else seen this? Can't seem to find anything on MOS about it. Any info would be appreciated.

*** 2013-05-08 09:04:53.450
Unable to schedule a MMON slave at: Maintain AWR Baseline Thresholds Task
  Slave was not permitted to be scheduled
    - A slave for this action is already running.

*** 2013-05-08 09:14:11.736
ktte_monitor_ts: unable to schedule MMON Slave, error 100
ktte_monitor_ts: unable to schedule MMON Slave, error 100

*** 2013-05-08 09:24:39.083
Unable to schedule a MMON slave at: Auto Flush Main 1

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