Identity Manager documentation explains how to change JNDI connector configuration in this document ('Configuring additional JNDI Connector.xml properties' section):
The document however does not explain how to change a timeout value for connections between JNDI connector and LDAP endpoints
Release : any
Component : Identity Manager JNDI connector
Identity Manager JNDI connector is Oracle JNDI API based and therefore accepts Oracle JNDI parameters.
This Oracle doc explains JNDI connection timeout values:
https://docs.oracle.com/javase/8/docs/technotes/guides/jndi/jndi-ldap.html
To change connector timeout values the 'jndiEnv' property in the sample connector config file should be modified to include Oracle JNDI settings.
Out of the box SAMPLE.connector.xml (on Windows default location is: C:\Program Files (x86)\CA\Identity Manager\Connector Server\jcs\conf\override\jndi\SAMPLE.connector.xml) has this section:
it should be modified like this to add 'com.sun.jndi.ldap.connect.timeout' setting: