ADMN-202001
An exception has occurred while accessing DCM repository. Please refer to the accompanying base exception for more details.
Resolution:
check the details of the base exception.
Base Exception:
The DCM farm or an instance in the farm could not be found. This generally happens when an Oracle Application Server instance has inadvertently been removed from the farm.
Resolution:
The repository may need to be restored from a backup. Please refer to DCM reference guide or call Oracle Support for more information.


FIX:
Metalink:DocID 753917.1[@more@]

All Dcmctl Commands Fail With ADMN-202001 "DCM farm or an instance in the farm could not be found" [ID 753917.1]

In this Document
Symptoms
Changes
Cause
Solution

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Applies to:

Oracle Application Server 10g Enterprise Edition - Version: 10.1.2.0.2 to 10.1.2.3.0
This problem can occur on any platform.
Checked for relevance on 20-May-2009

Symptoms

For an Oracle Application Server 10g middle-tier which is associated with an infrastructure instance, all dcmctl commands (ie. 'dcmctl getstate -v -d' or 'dcmctl updateconfig') fail with the following errors :-

Changes

The $ORACLE_HOME/dcm/config/dcm.conf file looks like the following:

The $ORACLE_HOME/dcm/config/dcm.conf.bak shows the following :-

Cause

The following four extra lines in the $ORACLE_HOME/dcm/config/dcm.conf file are causing the dcmctl commands to fail:

It has not been determined why the dcm.conf file has changed from the original dcm.conf.bak file; this is unknown.

Solution

1. Rename the existing dcm.conf file:


2. Copy the dcm.conf.bak to dcm.conf


3. Stop/Start the Oracle Application Server middle-tier instance :


4. Run a dcmctl command to confirm it works now:


5. Update the repository with latest configuration changes: