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ORA-00020: maximum number of processes exceeded

    http://www.dba-oracle.com/t_ora_00020_maximum_processes_exceeded.htm
    Too few process buckets: Oracle limits the number of connected processes with the processes parameter, and you may get the ORA-00020 error as the natural result in growth of system usage. To fix this, increase the processes parameter, usually doubling the value to allow for future growth.
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    http://www.dba-oracle.com/t_ora_00020_maximum_processes_exceeded.htm

ORA-00020: maximum number of processes exceeded and alter system set ...

    https://ittutorial.org/ora-00020-maximum-number-of-processes-exceeded-alter-system-set-processes/
    To solve ORA-00020: maximum number of processes exceeded error, You can increase processes parameter in Oracle database as follows. SQL> alter system set processes=2000 scope=spfile; System altered. But This parameter is activated after Database restart.
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    https://ittutorial.org/ora-00020-maximum-number-of-processes-exceeded-alter-system-set-processes/

Unable to connect with sys, ORA-00020: maximum number of processes (n) exceeded

    https://deveshdba.wordpress.com/2016/10/24/unable-to-connect-with-sys-ora-00020-maximum-number-of-processes-n-exceeded/
    If you cannot login to the database, because of maximum number of processes exceeded, there is -prelim option with sqlplus to login with sys user. Login with sqlplus -prelim "/as sysdba" shut down the database with abort option & increase the process parameter.
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    https://deveshdba.wordpress.com/2016/10/24/unable-to-connect-with-sys-ora-00020-maximum-number-of-processes-n-exceeded/

Oracle reporting "ORA-00020: maximum number of processes (%s) exceeded" - Ex ...

    https://knowledge.exlibrisgroup.com/Aleph/Knowledge_Articles/Oracle_reporting_ORA_00020_maximum_number_of_processes_exceeded
    ORA-00020: maximum number of processes (%s) exceeded Resolution: The maximum number of oracle servers (an oracle server provides a connection from a client to the database... e.g. sqlplus client -> oracle server -> database) is limited by a parameter which is called "processes".
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    https://knowledge.exlibrisgroup.com/Aleph/Knowledge_Articles/Oracle_reporting_ORA_00020_maximum_number_of_processes_exceeded

ORA-00020: maximum number of processes: I cannot connect / as sysdba ...

    https://community.oracle.com/tech/developers/discussion/977941/ora-00020-maximum-number-of-processes-i-cannot-connect-as-sysdba
    I've got a database instance that has apparently run out of processes, however, I cannot even seem to log on as sys to fix things..!! SQL> connect / as sysdba ERROR: ORA-00020: maximum number of processes (%s) exceeded SQL> connect sys as sysdba Enter password: ERROR: ORA-00020: maximum number of processes (%s) exceeded Any suggestions?
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[Solved] ORA-00020: maximum number of processes (150) exceeded | ProgrammerAH

    https://programmerah.com/solved-ora-00020-maximum-number-of-processes-150-exceeded-30641/
    Method 1: Change the processes parameter To solve the ORA-00020 error, you can increase the parameter value of processes, but you need to start the database normally and log in successfully before you can modify it. 1. Firstly, log in the database successfully by adding the parameter "-prelim". 1 2 3 4 5 [ oracle@db ~]$ sqlplus -prelim/as sysdba
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    https://programmerah.com/solved-ora-00020-maximum-number-of-processes-150-exceeded-30641/

Avoid ORA-00020 error for SYS login into database with trigger in Oracle ...

    https://smarttechways.com/2020/06/12/avoid-ora-00020-error-for-sys-login-into-database-with-trigger-in-oracle/
    Allow SYS/SYSTEM user to make connection without getting error of "ORA-00020: maximum number of processes (%s) exceeded" by creating a database trigger on user logon event. Trigger Its allow SYS/SYSTEM user to login with Logon Trigger to limit the Connections Below the Processes Parameter Value.
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    https://smarttechways.com/2020/06/12/avoid-ora-00020-error-for-sys-login-into-database-with-trigger-in-oracle/

oracle - ora-00020 maximum number of processes - Stack Overflow

    https://stackoverflow.com/questions/45205893/ora-00020-maximum-number-of-processes
    alter system set processes = 500 scope = psfile to increase the sessions and the transactions I need to follow the equations below : sessions = (1.1*processes) + 5 transactions = (1.1*sessions) well, I am not sure if it';s correct or not. so, I tried to increase the processes first by the command above. I got another error
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    https://stackoverflow.com/questions/45205893/ora-00020-maximum-number-of-processes

ORA-00020: maximum number of processes (string) exceeded

    https://blog.yannickjaquier.com/oracle/ora-00020-maximum-number-of-processes-string-exceeded.html
    ORA - 00020: maximum NUMBER OF processes (200) exceeded ORA -20 errors will NOT be written TO the alert LOG FOR the next MINUTE. Please look AT trace files TO see ALL the ORA -20 errors. The resolution is even simpler by increasing static initialization parameter PROCESSES.
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    https://blog.yannickjaquier.com/oracle/ora-00020-maximum-number-of-processes-string-exceeded.html

ORA-00020: maximum number of processes 0 exceeded - Oracle

    https://community.oracle.com/tech/developers/discussion/3518089/ora-00020-maximum-number-of-processes-0-exceeded
    What is the output of the following query: conn / as sysdba set markup html on set pagesize 30 spool processes_sessions.html select p.username "V$PROCESS - OS USERNAME", p.terminal, p.program, s.username "V$SESSION - USERNAME";, s.command, s.status, s.server, s.process, s.machine, s.port, s.terminal, s.program, s.sid, s.serial#, p.spid
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ORA-00020: maximum number of processes exceeded | Smart way of Technology

    https://smarttechways.com/2012/10/22/ora-00020-maximum-number-of-processes-s-exceeded/
    Once this error generated then we are not able to login in the database. For increase the value of Process we follow following steps: 1. Connected to database with this prelim option. sqlplus -prelim "/as sysdba" Shutdown abort; ---Start the database startup 2. Verify the maximum value of resources utilization from following query.
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ORA-00020: maximum number of processes (600) exceeded

    https://anargodjaev.wordpress.com/2014/02/10/ora-00020-maximum-number-of-processes-600-exceeded/
    ERROR: ORA-00020: maximum number of processes (600) exceeded Enter user-name: ^C bash-3.2$ bash-3.2$ df -h Filesystem size used avail capacity Mounted on /dev/dsk/c0t0d0s0 59G 45G 13G 78% / /devices 0K 0K 0K 0% /devices ctfs 0K 0K 0K 0% /system/contract proc 0K 0K 0K 0% /proc mnttab 0K 0K 0K 0% /etc/mnttab swap 109G 1.7M 109G 1% /etc/svc ...
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ORA-00020: maximum number of processes (%s) exceeded - Rajat DBA';S Blog

    https://rajat1205sharma.wordpress.com/2015/02/25/ora-00020-maximum-number-of-processes-s-exceeded/
    ORA-00020: maximum number of processes (%s) exceeded This means that you have too many database connections basically. It also means that you as a DBA cannot connect internal to do something about it! You need to either ask a couple of users to log out, or you need to kill some sessions at the OS level.
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ERROR: ORA-00020: maximum number of processes (%s) exceeded | Mustafa ...

    https://doganay.wordpress.com/2012/06/20/error-ora-00020-maximum-number-of-processes-s-exceeded/
    Current session count reached processes parameter threshold. Solution: 1) sqlplus -prelim / as sysdba to hang analyze.. 2) Kill some (LOCAL=NO) processes and login. * Prelim is a way to connect to a database through sqlplus when all other connection methods are hanging.
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    https://doganay.wordpress.com/2012/06/20/error-ora-00020-maximum-number-of-processes-s-exceeded/

ORA-00020: maximum number of processes (%s) exceeded

    https://anargodjaev.wordpress.com/2016/01/19/ora-00020-maximum-number-of-processes-s-exceeded-2/
    ORA-00020: maximum number of processes (%s) exceeded January 19, 2016 · by anargodjaev · in Oracle İntroduction · Leave a comment SQL> show parameter processes NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ processes integer 300 SQL> alter system set processes=600 scope=spfile;
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    https://anargodjaev.wordpress.com/2016/01/19/ora-00020-maximum-number-of-processes-s-exceeded-2/

sqlplus -prelim - Laurent Schneider

    https://laurentschneider.com/wordpress/2011/07/sqlplus-prelim.html
    If you cannot login to the database, for instance due to ORA-00020 maximum number of processes exceeded, then chance exists that you could use the -prelim option. Documented in note 121779.1 for sqlplus version 10.1 and later : In some cases, no connections are allowed on the instance (in some ORA-20 situations for example).
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    https://laurentschneider.com/wordpress/2011/07/sqlplus-prelim.html

Ora-00020: Maximum Number Of Processes (1100), Exceeded Ora-01012: Not ...

    https://postgresdba.wordpress.com/2016/12/03/ora-00020-maximum-number-of-processes-1100-exceeded-ora-01012-not-logged-on/
    The ORA-00020 is caused by two things: 1. Disconnected processes: Rogue "zombie" connections to Oracle that are idle (not working). To fix this, use the ALTER SYSTEM KILL command. You may also need to kill session at the OS level with the KILL -9 or the ORAKILL command. 2. Too few process buckets: Oracle limits the number of connected ...
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    https://postgresdba.wordpress.com/2016/12/03/ora-00020-maximum-number-of-processes-1100-exceeded-ora-01012-not-logged-on/

Why doesn't Oracle reset processes when I restart the database - Stack Overflow

    https://stackoverflow.com/questions/24484374/why-doesnt-oracle-reset-processes-when-i-restart-the-database
    The solution is to increase the max number of processes allowed. But the problem is that in this state there is no way to do that since DB wouldn't take any commands. Even the commands to increment the process parameter would give the maximum processes exceeded error. Kill all processes belonging to oracle user: $ sudo su $ su oracle $ kill -9 -1
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    https://stackoverflow.com/questions/24484374/why-doesnt-oracle-reset-processes-when-i-restart-the-database

ORA-00020 maximum number of processes exceeded | ProFashionTech - WordPress.com

    https://profashiontech.wordpress.com/2014/07/24/ora-00020-maximum-number-of-processes-exceeded-2/
    Solution: To fix this, increase the processes parameter, usually doubling the value to allow for future growth. 1. Login as sysdba sqlplus / as sysdba 2. Check Current Setting of Parameters sql> show parameter sessions sql> show parameter processes sql> show parameter transaction 3. These paramters can't be modified in memory.
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    https://profashiontech.wordpress.com/2014/07/24/ora-00020-maximum-number-of-processes-exceeded-2/

ERROR ORA-00020 maximum number of processes (%s) exceeded - Oracle Solutions

    https://oraclesolutions.pk/error-ora-00020-maximum-number-processes-s-exceeded/
    ERROR ERROR ORA-00020 maximum number of processes (%s) exceeded SOLUTION Connect to sqlplus with sysdba $ sqlplus / ' as sysdba' SQL>ALTER SESSION SET processes = (your desired value); About Syed Saad Ali
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    https://oraclesolutions.pk/error-ora-00020-maximum-number-processes-s-exceeded/

When logging in Oracle to execute SQL operation, ora-00020 exception is ...

    https://cdmana.com/2022/02/202202130425243852.html
    Sign in Oracle perform SQL In operation , encounter ORA-00020 abnormal , even sys Users cannot log in , Does anyone know how to solve the problem ? Take the answer 1: Met ,ORA-00020 It means that the maximum number of connections has been exceeded , There';s no other way , Log in to the database service, kill the system process and release ...
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ORA-00018 maximum number of sessions exceeded

    http://www.dba-oracle.com/t_ora_00018_maximum_number_of_sessions_exceeded.htm
    Answer: The oerr utility shows this for the ORA-0018 error, indicating that the fix is to increase the "processes" initialization parameter. To fix the ORA-00018 and the ORA-00020, we increase the processes parameter, usually doubling the processes value to allow for future database growth. ORA-00018 maximum number of sessions exceeded.
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    http://www.dba-oracle.com/t_ora_00018_maximum_number_of_sessions_exceeded.htm

ORA-00020: maximum number of processes (%s) exceeded | Database Blog

    https://saisrinivase.wordpress.com/2014/11/14/ora-00020-maximum-number-of-processes-s-exceeded/
    To fix this, increase the processes parameter, usually doubling the value to allow for future growth. The OERR command shows these details for the ORA-00020 error: ORA-00020: maximum number of processes (string) exceeded. Cause: All process state objects are in use. Action: Increase the value of the PROCESSES initialization parameter
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    https://saisrinivase.wordpress.com/2014/11/14/ora-00020-maximum-number-of-processes-s-exceeded/

OraFAQ Forum: SQL & PL/SQL » ora-00020 maximum number of processes 150 exceeded

    https://www.orafaq.com/forum/t/187993/
    ORA-00020: maximum number of processes (string) exceeded Cause: All process state objects are in use. Action: Increase the value of the PROCESSES initialization parameter So, If he wishes to rethink about the initialization parameters, then he would have to change these parameters too. Not directly related to ORA-00020, agree.
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    https://www.orafaq.com/forum/t/187993/

Oracle Listener refused connection ORA-12519 troubleshooting - DaDBm

    http://www.dadbm.com/oracle-listener-refused-connection-ora-12519-troubleshooting/
    ORA-00020: maximum number of processes (%s) exceeded There are a couple of 'workarounds' for this issue … but no real solution at this time (even for Oracle 11.2) since you are not capable to connect to the DB even as SYSDBA:
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    http://www.dadbm.com/oracle-listener-refused-connection-ora-12519-troubleshooting/

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