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Siebel Server Installation Guide for UNIX > Creating the DB2 Universal Database for Windows and UNIX > DB2 Database Configuration Guidelines >

Increasing the Number of User Processes Under AIX

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When you reach about 400 concurrent database users running under AIX, the connection to DB2 may fail. To avoid this problem, reset the maximum number of user processes parameter on your AIX server.

To reset the parameter

Log on to the server as AIX system administrator.
Navigate to $SIEBEL_HOME and source environment variables, using one of the following commands, depending on the type of shell you use:

Korn or Bourne shell

. ./siebenv.sh

TIP:  Make sure there is a space between the initial period and ./siebenv.sh.

C shell

source siebenv.csh

where:

$SIEBEL_HOME is the location of the Siebel Server root directory.

Execute the command:

smitty chgsys

A list of options appears.

Select Maximum number of processes and reset the default (512) to a larger number; for example, 10,000 to avoid imposing an upper limit on the number of processes that a single user can spawn.

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