How to fix the Oracle error ORA-07485: scg_get_inst: cannot open instance number lock.?

In this post, you’ll learn more about the Oracle ErrorORA-07485: scg_get_inst: cannot open instance number lock. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-07485: scg_get_inst: cannot open instance number lock.

Reason for the Error ORA-07485: scg_get_inst: cannot open instance number lock.

lm_open failed.

How to fix the Error ORA-07485: scg_get_inst: cannot open instance number lock. ?

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

Check result code in sercerrno. Possible lock manager failure.