This on-premises maintenance release of Trellix Data Loss Prevention (DLP) Endpoint Complete addresses critical detection and stability issues in the 11.11.x branch. Windows 11.11.3 must be deployed only in environments still on the 11.11.x branch.
Compatibility notice
Windows 11.11.3 is compatible only with the 11.11.x branch.
Do not deploy in environments that are already upgraded beyond 11.11.x, i.e., 11.12.x and above.
For 11.12.x deployments, use Extension 11.12.1 with the matching 11.12.x Windows Endpoint.
This release includes resolved issues.
- Resolved issues: For details of the issues fixed in this release, see the Release Notes.
No schema or architecture changes. Review the applied policies post-upgrade to ensure compatibility.
The following product documentation is available for this release:
- Trellix Data Loss Prevention Endpoint for Windows 11.11.x Release Notes - October 2025
- Trellix Data Loss Prevention Product Guide
- Trellix Data Loss Prevention Installation Guide
For more information, see the Data Loss Prevention documentation.
Note: To receive information about product updates, sign up for the Support Notification Service.
For instructions, see the Thrive Portal User Guide and navigate to Profile and Settings > My Settings > Manage Support Notification Services (SNS) subscription preferences.