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OEM shows The database target currently unavailable and Failed to connect

User_2KAZKMar 26 2013 — edited Mar 26 2013
Hi,

I am using Oracle 11g R2,

My OEM showing the below messages,

The database target is currently unavailable


Agent Connection to Instance
Status Failed
Details Failed to connect to database instance: ORA-12641: Authentication service failed to initialize (DBD ERROR: OCIServerAttach).

Listener Status is Up.



Please help me to resolve these issue.

Thanks
Pandiyan
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Locked on Apr 23 2013
Added on Mar 26 2013
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