TNSListener Fails To Start after Oracle Enterprise Manager GRID Control Installed

(Doc ID 311399.1)

Last updated on SEPTEMBER 25, 2016

Applies to:

Oracle Net Services - Version: 10.1.0.3.0 to 10.2.0.3.0
Microsoft Windows
TNSlistener fails to startup

Symptoms

Checked for relevance on 13-FEB-2008.

TNSListener fails to startup.
Errors include

TNS-12557: TNS:protocol adapter not loadable
TNS-12560: TNS:protocol adapter error
TNS-527: Protocol Adapter not loadable

Also seen with

Failed to start service, error 997.
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error

Changes

Oracle Enterprise Manager Grid Control installed

Cause

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