My Oracle Support Banner

Bug 17890099: After upgrade to 11.2.0.4; receiving Error ORA-02072: Distributed Database Network Protocol Mismatch (Doc ID 1671956.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Database - Personal Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Database - Standard Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

In a distributed environment, if one of the databases was upgraded to 11.2.0.4 and there are other databases which are at version lower than 11.2.0.4 which are accessed over dblink then the DML over dblink may fail with below error:

*
ERROR at line 1:
ORA-02072: distributed database network protocol mismatch
ORA-02063: preceding line from <DB Link>

Changes

 Upgrade of one of the databases in distributed environment to 11.2.0.4

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.