EM 10g Alert Reported in Console : Agent Has Stopped Monitoring. The following errors are reported COLL_DISABLED (Doc ID 602021.1)

Last updated on SEPTEMBER 15, 2014

Applies to:

Enterprise Manager Base Platform - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Enterprise Manager Base Platform - Version 10.2.0.4 to 10.2.0.5 [Release 10.2]
Enterprise Manager for Oracle Database - Version 11.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 02-Oct-2012***
Checked for relevance on 15-Sep-2014

Symptoms

When using Grid Control 10.2.0.4, or 10.2.0.5, the following alerts are raised frequently :

Target Name=<AGENT_HOST>:3872
Target Type=Agent
Host=oracle.com
Metric=Status
Timestamp=May 29, 2008 9:08:37 AM GMT
Severity=Unreachable Start
Message=Agent has stopped monitoring. The following errors are reported : COLL_DISABLED.
Notification Rule Name=Agents Unreachable
Notification Rule Owner=SYSMAN
Notification Count=1

 
When checking the Agent mentioned in the notification, it's functioning, collecting and uploading data properly to the OMS.

Cause

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