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2551733 - SUM: Error ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit

Symptom

  • ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit while executing SUM
  • One of the following error messages can be found in logfile ORA_UPDATESTAT.LOG:
BR0301E SQL error -2391 in thread 3 at location thr_db_connect-4, SQL statement:
'CONNECT SYSTEM/**********@SID'
ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit
BR0310E Connect to database instance SID failed
---------------
BR0280I BRCONNECT thread 5 time stamp: 2019-07-12 10:22:30
BR0301E SQL error -2391 in thread 5 at location thr_db_connect-4, SQL statement:
'CONNECT SYSTEM/*************@SID'
ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit
BR0310E Connect to database instance SID failed




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Environment

  • Oracle Database
  • UNIX or Linux OS

Keywords

Oracle, DB, max connections, maximum concurrent connections, reached, ORA-02391, exceeded simultaneous SESSIONS_PER_USER limit, Severe error(s) occurred in phase MAIN_SHDINST/SUBMOD_SHDALIASCRE/SCEXEC_ALIAS, DBSL error 99 (db code 2391): Connect failed , KBA , BC-DB-ORA-DBA , Database Administration , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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