Bug 17890099: After upgrade to 22.214.171.124; receiving Error ORA-02072: Distributed Database Network Protocol Mismatch
(Doc ID 1671956.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 11.2]
Oracle Database - Personal Edition - Version 184.108.40.206 to 220.127.116.11 [Release 11.2]
Oracle Database - Standard Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2]
Information in this document applies to any platform.
In a distributed environment, if one of the databases was upgraded to 126.96.36.199 and there are other databases which are at version lower than 188.8.131.52 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>
Upgrade of one of the databases in distributed environment to 184.108.40.206
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