Created a new Notification entry set to Disabled.
It appears "randomly" when going to the the "Manage Notifications" page.
Hitting the Refresh button at the page or browser tab level returns similar results. Sometimes it appears and sometimes it does not.
All supported CA Performance Management releases
Ensure the port configuration post SSL HTTPS set up is correct.
When only restarting the caperfcenter_sso SSO service we saw the port changes propagated to the CA Performance Center MySql netqosportal database within the performance_center_properties table.
Despite this it wasn't until all four CA Performance Center Services were restarted that the behavior was fully resolved.