When you enable multi-vsys mode you will need to assign the appropriate vsys to each interface you configure. In your case you are enabling this mode after the system is placed in production so you will need to go through all your configured interfaces and ensure they are assigned to vsys1 so as to not interrupt the flow of traffic when you commit.
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 LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!