Database Target Shows Down Even Though Database Is Up And Running Fine. (Doc ID 1584490.1)

Last updated on SEPTEMBER 16, 2013

Applies to:

Enterprise Manager for Oracle Database - Version 10.2.0.5 to 11.2.0.2 [Release 10.2 to 11.2]
Information in this document applies to any platform.

Symptoms

Enterprise Manager Grid Control shows the database target as down even though the database is up and running fine.  Navigating to the database home page shows:

Database instance
Status:Down
Details: There has been a user-initiated shutdown

Listener
Status Unavailable

Agent Connection to Instance
Status Unavailable

General
Status Up

In addition to this, there are none of the expected tabs for the database (eg. performance tab, etc) 

Cause

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