ORA-00018 Error -> Maximum number of sessions exceeded

By Santhosh N

This explains the oracle error, ORA-00018 in detail, the possible reason(s) and steps to solve the same in Oracle Database.

Oracle Error: ORA-00018

Description: Maximum number of sessions exceeded.

Reason(s) for this Oracle error: This error will be raised when you execute a new statement that requests a new resource, when already maximum number of sessions has been reached and Oracle unable to server new resource requests.

Possible steps to solve this error:
1) Re-try to execute the statements after few minutes.
2) Increase the SESSIONS parameter in the initialization parameter file of the Oracle Database. For this step, shut down the Oracle, modify the file and then restart the Oracle engine.

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ORA-00018 Error -> Maximum number of sessions exceeded  (1700 Views)