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 JUNE 15, 2022
Applies to:
Oracle Database Cloud Exadata Service - Version N/A and laterOracle Database Cloud Service - Version N/A and later
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
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |