Install, Upgrade, Clone, Patch - EBS (MOSC)

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R12 techstack install + RW-40000: Unable to establish a Database connection

edited Aug 20, 2021 9:59AM in Install, Upgrade, Clone, Patch - EBS (MOSC) 12 commentsAnswered
I have all already done a cycle of 11i to R12 upgradation and working over 2nd cycle.
During 1st cycle , DB and listener were down.  This time we are doing with DB and listener started. While doing the installation , we were not receiving the "Specify Internationalization settings " scree, we then shut the DB listener and we received the concerned screen.

But in the installation log , I can see the following

"RW-40000: Unable to establish a Database connection. Please make sure the database is up before continuing with this install. Connection string used - {0}"

I know it's ignorable. But will appreciate suggestion from my experienced community members.
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