Is any impact on running instance?

Hai,
curently 12.0.4 instance was running on RHEL ES relese 4 ( nanahant 5) 32bit.
know i am planning to upgrade 32 bit to 64 bit. is any impact on running instance if i upgarde o/s 32 bit to 64 bit.
Regards
DBA

Make sure you relink all executable files/programs once you do the upgrade and before starting the services.
Note: 471566.1 - Migrating Oracle E-Business Suite R12 from Linux 32-bit to Linux 64-bit
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=471566.1

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