HA is a system function while vsys are 'firewall' level segregations
HA connects 2 chassis and so the interfaces can't be added to a vsys
I've bee nthinking about this and If you are trying to monitor a vsys, you might use Link and Path monitoring to see if it is up.
Just a thought.
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the Live Community as a whole!
The Live Community thanks you for your participation!