HomeOracleOracle Error ORA-15155: version incompatible with the cluster

Oracle Error ORA-15155: version incompatible with the cluster

Oracle Error Message

ORA-15155: version incompatible with the cluster

Reason for the Error

The current software version of the instance was incompatible with the other members of the cluster.

Solution

Make sure that all the members of the cluster are at the same version. If you are attempting to perform rolling upgrade, execute ALTER SYSTEM START ROLLING command. Ensure that the version being upgraded to is compatible with the existing version of the cluster.

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