The earliest recollection of this bug is traced back to PAN-OS 10.1.1 - July 29, 2024. This bug is fixed in PAN-OS versions 10.1.1, 9.1.11. Fixed an intermittent issue where SMB file transfer operations failed due to packet drops that were caused by the Content and Threat Detection (CTD) queue filling up quickly. This fix introduces a new CLI command which, when enabled, prevent these failures: set system setting ctd nonblocking-pattern-match-qsizecheck [enable|disable] . Fixed an intermittent issue where SMB file transfer operations failed due to packet drops that were caused by the Content and Threat Detection (CTD) queue filling up quickly. This fix introduces a new CLI command which, when enabled, prevents these failures: set system setting ctd nonblocking-pattern-match-qsizecheck [enable|disable] . For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-1-known-and-addressed-issues/pan-os-10-1-1-addressed-issues https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-11-addressed-issues