O/S-Error: (OS 121) The semaphore timeout period has expired. (Doc ID 2280813.1)

Last updated on JUNE 29, 2017

Applies to:

Oracle Database - Standard Edition - Version 12.1.0.2 to 12.2.0.1 [Release 12.1 to 12.2]
Generic Windows

Symptoms

Below error is spotted in alert log and database failed

 

Cause

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