Database Services Not Registered with SCAN Listener (Doc ID 1933682.1)

Last updated on DECEMBER 10, 2016

Applies to:

Oracle Net Services - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

The SCAN listeners fail to register the database services.  The local node listeners have no problems and register all database services. All connections via SCAN fail with the error:

TNS-12514: TNS:listener does not currently know of service requested in connect descriptor

Changes

 The DNS server specified in the RAC nodes is not available.

Cause

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