(October 3, 2022) AsyncOS 14.2 Maintenance Deployment (MD)



AsyncOS 14.2 (AsyncOS 14.2.1-015) has been released as Maintenance Deployment (MD) as of 2022, October 3. This includes both Cisco Secure Email Gateway and Cisco Secure Email and Web Manager (AsyncOS 14.2.0-212).


For Cisco Secure Email Cloud Gateway customers, please see the Release Notes for AsyncOS 14.2 for Cisco Cloud/Hybrid Secure Email. The Cloud Gateway release is AsyncOS 14.2.0-620. Cloud Gateway has two Cloud-only new features:

  • URL Retrospective Verdict and URL Remediation
  • Monitoring URL Filtering Results

Please be sure that you read the Release Notes entirely to assure you are aware of all changes for 14.2.


Cisco Secure Email Cloud Gateway Customers

Upgrades to your cloud allocations will start in June (2022). You will receive notifications prior to the date and upgrade.

Tentative Dates:
Week of June 1st: Limited Deployment (LD) customers
Week of June 13th: Soak
Week of June 20th: General Deployment (GD) customers

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)

Information regarding Cloud Gateway upgrades

If you have any questions, please contact Cisco TAC.


What is a Maintenance Deployment (MD)?

Release Terminology

What's new with 14.2?

Please see our AsyncOS 14.2 Release Info.

Additional Information

Cisco Secure Email Gateway Documentation

Secure Email Cloud Gateway Documentation

Cisco Secure Email and Web Manager Documentation

Cisco Secure Product (Rebranding) Documentation