How to fix the Oracle error ORA-02815: Unable to attach shared memory?

In this post, you’ll learn more about the Oracle ErrorORA-02815: Unable to attach shared memory with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02815: Unable to attach shared memory

Reason for the Error ORA-02815: Unable to attach shared memory

Shmat(2) failed.

How to fix the Error ORA-02815: Unable to attach shared memory ?

You can fix this error in Oracle by following the below steps

Check the UNIX number. If you are unsure about what it means, contact ORACLE customer support.

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