When the identity certificate of the Experience Portal server is nearing it's expiration date, alarms are generated to notify the administrators that the identity certificate need to be replaced.
If a custom identity certificate for an Experience Portal server (EPM or MPP) does expire, the Experience Portal server will transition into one of the following states:
The Experience Portal server will not be operational and secure communications cannot be established until a valid identity certificate is installed.
Secure communications need to be re-established on the Experience Portal server before a new custom identity certificate can be uploaded through the Experience Portal web admin interface. To do this, a temporary self-signed identity certificate must be generated on the EP server.