Database Install/Upgrade/Opatch (MOSC)

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dbua upgrade my database version 11.2.0.3 to 12.1.0.2 then TNS-12547 TNS:lost contact

edited Mar 11, 2015 10:07AM in Database Install/Upgrade/Opatch (MOSC) 5 commentsAnswered

hello,

     i try upgrade my database version 11.2.0.3 to 12.1.0.2 then ORA-12547 TNS:lost contact

on my server linux i have 2 environnements :

1 - For oracle 12c with user ora12c group dba ORACLE_SID=CDBWIN12 and listener port 1531 "LISTENER_CDBWIN12"

2 - For oracle 11gR2 with user ora11g group dba ORACLE_SID=WT10DEV3 and listener port 1521 "LISTENER_WT11"

i join a file to explain all.

thanks you for your help.

JP

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