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

(Doc ID 2099019.1)

Last updated on APRIL 24, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 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: 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.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms