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RAC on Windows: [INS-20802] Encountered During Install Grid Infrastructure: 'Port 1521 is not available' (Doc ID 2099019.1)

Last updated on FEBRUARY 24, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database 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)


While installing (and configuring) Grid Infrastructure on Windows (2012R2), the 'Configure Grid Infrastructure' step fails with error:  INS-20802

When expanding the available 'Details' on this error, the following errors are presented:

NOTE:  In this case, IP address:  10.x.x.245 is the SCAN IP.

By querying clusterware resources on the local node (using 'crsctl stat res -t'), it is evident that the SCAN_LISTENER resource is already configured and running.




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