Last updated on APRIL 24, 2015
Applies to:Oracle Net Services - Version 10.2.0.1.0 to 10.2.0.4.0 [Release 10.2]
Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 10.2.0.4
This problem can occur on any platform.
Normal RAC configuration with ASM enabled.
Sometimes, when changes are made to the listener.ora file (manually or with a Nettool), then neither OEM nor DBCA are able to connect to the ASM instances.
Also, just installing RAC and configuring ASM this can occur.
The error thrown by DBCA is:
"Error when connecting to ASM instance on local node:
IO exception: The Network Adapter could not establish a connection."
Changes made to the listener.ora file, such as the inclusion of control parameters such as:
ADMIN_RESTRICTIONS_<listener_name> = ON
LOGGING_<listener_name> = ON
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