Error in Grid Control: Setup - Management Services and Repository - error

Hi, sometimes , in our grid control, we could see in
Setup -> Management Services and Repository -> errors, the following error
OMS failover: Error in OMS status collection. ORA-20233: Invalid Target=Management Services and Repository or Metric=Management_Servlet_Status (validate_target_metric)
How can I correct this ?
We are in 10.2.0.5 ( with 3 management servers )
thanks for your help
regards,

See the metalink note 388280.1,4487966 for solution.
Hope this helps,
Regards
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Trevor Seward
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This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

Data Guard, Grid Control 11, GI 11gR2, and DB 10gR2

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###remark
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interconnect CAT 6 (1G) and use bonding

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Avg Global Cache cr block receive times 0.3 - 4 - 12
Avg time to process current block request 0.1 - 3 - 23
Avg Global cache current block receive time 0.3 - 8 - 30
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http://www.dba-oracle.com/real_application_clusters_rac_grid/cache_stats.htm
I modified the query found at the link above for more nodes:
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Oracle database 12c is supported as a managed target - but not as repository. MOS is being updated to reflect this shortly.

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Hi,
Dear lavaprasadkafle,
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Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
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Parent Process ID : 16454
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Why 12C Grid Control shows Target status down/Unavailable?

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Have you checked the agent status with emctl status agent? Is the OMS available there and when was the last upload time?
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I suggest you to read Metalink Note:344537.1 "Installing EM 10g Grid Control Fails to Start the TNSListener Due to Environment Settings"
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~ Madrid.

Error in Grid Control: Setup - Management Services and Repository - error

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