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EM 12c : Standby Database Creation from EM Fails at "Duplicate Database" step with "ORA-03135: connection lost contact" (Doc ID 2171164.1)

Last updated on OCTOBER 10, 2019

Applies to:

Enterprise Manager for Oracle Database - Version and later
Information in this document applies to any platform.


Standby database is being created from EM and the job fails at the "Duplicate Database" step with the below error:

sql statement: alter system archive log current 
contents of Memory Script:
  switch clone datafile all;
 executing Memory Script
 RMAN-00571: ===========================================================
 RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
 RMAN-00571: ===========================================================
 RMAN-03002: failure of Duplicate Db command at 08/01/2016 08:47:55
 RMAN-03015: error occurred in stored script Memory Script
 RMAN-06136: ORACLE error from auxiliary database: ORA-03135: connection lost contact
 Process ID: 56142
 Session ID: 424 Serial number: 9
 Recovery Manager complete.

Rest of the steps in the job complete successfully.
The errors occur when creating a standby database for a large database. Standby creation for a small database completes fine without any errors.


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