The earliest recollection of this bug is traced back to PAN-OS 10.1.0 - July 29, 2024. The memory-optimized VM-50 Lite intermittently performs slowly and stops processing traffic when memory utilization is critically high. To prevent this issue, make sure that you do not: Workaround: When the firewall performs slowly, or you see a critical System log for memory utilization, wait for 5 minutes and then manually reboot the firewall. Use the Task Manager to verify that you are not performing memory intensive tasks such as installing dynamic updates, committing changes or generating reports, at the same time, on the firewall. 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