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Why must Oracle ARP Protocol Driver be installed for RAC on Windows? (Doc ID 1644233.1)

Last updated on SEPTEMBER 19, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Microsoft Windows x64 (64-bit) - Version: 2008 R2


Oracle ARP protocol driver installation is recommended as per
RAC and Oracle Clusterware Best Practices and Starter Kit (Windows) (Doc ID 811271.1) in Network Considerations Section:

For 11.2, the Oracle ARP protocol driver is not installed during Oracle Grid Infrastructure Installation.  Install the oraarpdrv post-GI installation as per Oracle® Database Release Notes 11g Release 2 (11.2) for Microsoft Windows.


Why is Oracle ARP protocol driver required and will its installation affect running GI and RAC environment?


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