Databases Hang - All Database Services Need To Be Restarted - ORA-00020: maximum number of processes (xx) exceeded (Doc ID 1491935.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Server - Enterprise Edition - Version 10.2.0.3 and later
Information in this document applies to any platform.

Symptoms

On : 10.2.0.3 version, RDBMS

the following error occurs.

ERROR
-----------------------
ORA-00020: maximum number of processes (1500) exceeded

 

The backups fail and the databases are unavailable - cannot login in as sys

Changes

The max process has been increased recently from 1000 to 1500 on the database

Also, added the "SQLNET.EXPIRE_TIME = 20" parameter to the SQLNET.ora

Cause

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