Oracle DBA, How To, Error, Cause and Action

ORA-15055: unable to connect to ASM instance

ORA-15055: unable to connect to ASM instance


Cause:


The RDBMS instance was unable to connect to the required ASM instance when accessing a disk group.



Action:


Check the additional error messages. May need to configure correct ASM sid or make sure the RDBMS instance has OS privileges for ASM SYSDBA.

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