Since upgrading from CA PAM from 2.x to 3.x the following is observed in the session logs:
PAM-CMN-2800: All PAM instances now require External API capability to be licensed. Licensing feature.
There were some differences between between the older 2.x licenses and 3.x licenses.
Please raise a support case requesting a new license and include the sysinfo file from each appliance.
Please refer to the following document on how to download the sysinfo file: