Skip to Content

MC447340: Microsoft Defender for Endpoint on Mac is Retiring Support of MacOS Catalina

A newer version of macOS will be released later this year. With Apple’s release of macOS Ventura (13), macOS Catalina (10.15) will become the third oldest version and will cease to be supported at that time, As a result, Microsoft Defender for Endpoint will no longer support macOS version Catalina (10.15).

Note: this message applies only to organizations with macOS devices in their environments.

MC447340: Microsoft Defender for Endpoint on Mac is Retiring Support of MacOS Catalina

When this will happen

Microsoft Defender for Endpoint will no longer support macOS version Catalina (10.15) after mid-December.

How this will affect your organization

After mid-December, if your environment still has macOS devices running macOS version Catalina (10.15), after the change any macOS Catalina machine running Microsoft Defender for Endpoint (Mac) will remain protected until the agent expiration, however it will fail to update (error will be logged in /Library/Logs/Microsoft/autoupdate.log ).

What you need to do to prepare

To eliminate risk of losing protection, review the version of macOS devices in your environment and ensure macOS devices that are still running macOS version Catalina (10.15) are updated to a more recent macOS version. We will send another announcement soon as a reminder.

Microsoft Defender for Endpoint (MDE) on Mac currently supports macOS versions Ventura (13), Monterey (12) and Big Sur (11).

Message ID: MC447340
Published: 2022-10-17
Updated: 2022-10-17
Action required by: 2022-12-15
Platform: Mac, World tenant

    Ads Blocker Image Powered by Code Help Pro

    Ads Blocker Detected!!!

    This site depends on revenue from ad impressions to survive. If you find this site valuable, please consider disabling your ad blocker.