ORA-07251: spcre: semget error, could not allocate any semaphores.

Cause : Semget failed to even allocate a single semaphore. Either they are all in use or the system is not configured to have any semaphores.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Check to see if all semaphores are in use. Check to see if system is configured to have semaphores. Check errno.

update : 25-05-2017

ORA-07251 - spcre: semget error, could not allocate any semaphores.
ORA-07251 - spcre: semget error, could not allocate any semaphores.

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