Broadcom Symantec Messaging Gateway Version Upgrade

If you upgrade from 10.8.0 or earlier to 10.9.0 or above. You need to disable legacy URL reputation and Implement URL categorization policy.

Reference P3. to P4.

https://techdocs.broadcom.com/content/dam/broadcom/techdocs/us/en/dita/symantec-security-software/email-security/messaging-gateway/generated-pdfs/smg_release_notes_10_9_0.pdf