Error "OPMN failed to start" When Trying to Start OPMN from Command Prompt (Doc ID 1354553.1)

Last updated on JULY 17, 2023

Applies to:

Symptoms

When trying to start OPMN from the command prompt, getting one of the following errors: 

opmnctl start: opmn failed to start.

The C:\Oracle\Middleware\user_projects\epmsystem1\diagnostics\logs\OPMN\opmn\opmn.log shows the error:

[2011-05-13T13:41:18][opmn][NOTIFICATION:1][522][OPMN][code:pm-internal]PM state directory exists: C:\Oracle\Middleware\user_projects\epmsystem1\config\OPMN\opmn\states
[2011-05-13T13:41:18][opmn][NOTIFICATION:1][675][OPMN][code:pm-internal]OPMN server ready. Request handling enabled.
[2011-05-13T13:41:18][opmn][ERROR:1][17][OPMN][code:ons-listener]###.###.###.###,6712:
BIND (Unknown error)

or

"D:\Oracle\Middleware\EPMSystem11R1\opmn\bin\opmn.exe" -M: unexpected exit: code 2  opmnctl start: opmn failed to start.

Cause

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