When running a Web Agent, how to configure it to prevent a given user from being logged twice at the same time?
At first glance, this can be achieved by adding the "Limit Concurrent Login for CA Single Sign-On" (1).
Download the latest zip file version, unzip it, and find a .pdf (SmLimitAuth.pdf) that gives instructions to install and configure.
(1)
Limit Concurrent Login for CA Single Sign-On
Limit Concurrent Login for CA Single Sign-On User Guide Version 3.3.0
Overview
Features
The original (a/k/a LCL) allowed only one active session
per account. The most recent account to have logged-in
(authenticated) was allowed to continue to access the site
and all older sessions were barred from accessing the
site.