Cisco Secure Email Cloud Gateway - AsyncOS Announcement 16.0.2 MR

Cisco Secure Email Cloud Gateway AsyncOS Announcement

When: Starting May 13, 2025

Maintenance Windows: Sunday-Friday

Europe Window: 6 PM to 2 AM (London)

Canada Window: 6 PM to 2 AM (Kamloops)

Americas Window: 6 PM to 2 AM (San Francisco)
APJ Window: 6 PM to 2 AM (Tokyo)

What: 16.0.2 ESA and SMA – General Deployment Upgrade cycle happens in two phases as below:

• Phase 1: SMA AsyncOS upgrade
• Phase 2: ESA AsyncOS upgrade

Your CES instance will be upgraded to the latest AsyncOS 16.0.2 versions.

SMA – 16.0.2-088

ESA – 16.0.2-112

• Phase 1: SMA AsyncOS upgrade release notes are located here
• Phase 2: ESA AsyncOS upgrade release notes are located here

Premium Software Support Customers: Your Cisco DSM (Designated Service Manager) will engage with you directly to evaluate and coordinate these upgrades.

Key Highlights of the release:

• QR Code URL Scanning
• Resetting Forgotten Passphrase
• Upgrading Image Analysis Engine to IA8.3.5.001

Expected Impact: There should not be any email delivery disruption, however administrative access to your devices during this period may be affected. Customers are requested to validate health of systems post their upgrade window and report to Cisco TAC, if any anomalies are observed.

Secure Email Documentation

• Release Notes: https://www.cisco.com/c/en/us/support/security/email-security-appliance/products-release-notes-list.html
• User Guide: https://www.cisco.com/c/en/us/support/security/email-security-appliance/products-user-guide-list.html
• Command Reference Guide: https://www.cisco.com/c/en/us/support/security/email-security-appliance/products-command-reference-list.html
• AsyncOS 16.0 API for Cisco Secure Email Gateway - Getting Started Guide:

https://www.cisco.com/c/en/us/support/security/email-security-appliance/products-programming-reference-guides-list.html

• Compatibility Matrix Guide: https://www.cisco.com/c/en/us/support/security/content-security-management-appliance/products-release-notes-list.html

Secure Email Cloud Documentation:

• Combined Release Notes: https://www.cisco.com/c/en/us/support/security/cloud-email-security/products-release-notes-list.html
• Email Cloud User Guide: https://www.cisco.com/c/en/us/support/security/cloud-email-security/products-user-guide-list.html

CES Status Page: https://status.ces.cisco.com/

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If you have any urgent questions about this maintenance or the possible impact, please contact Cisco TAC: http://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html