Deploying new witness is okay , you will need to consider giving it a new IP or power off the existing witness and give the same IP.
Powering off witness will reduce availability on certain vSAN objects, make decision wisely.
Original Message:
Sent: Apr 22, 2024 11:08 AM
From: Duncan Epping
Subject: vSAN 8 Witness Upgrade
Yes you can upgrade the witness, but simply deploying a new one is typically faster, and it is what I would recommend.