This happens 100% of the time if your ESXi host time is out of sync with NTP. The VM-100 requires accurate time to validate the "hot" trial certificate. Go to Device > Setup > Services > NTP and set pool.ntp.org before activation.
He found a link to a 30-day evaluation. He filled out the form with his work email, his hands shaking slightly. Verification email sent. He refreshed his inbox. Nothing. He refreshed again. A minute passed like an hour. Ping. palo+alto+vm100+download+triall+hot
Visit the official VM-Series Trial Page and fill out the request form with your professional details. This happens 100% of the time if your