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Trellix Drive Encryption 8.0.1 Release Notes

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The Trellix Drive Encryption 8.0.1 release includes resolved issues.

Every update release is cumulative and includes all features and fixes from the previous release. We recommend that you always upgrade to the latest version.

Trellix Drive Encryption Release details

Release date - August 31, 2026 (Republished to include support for GPT disks and deprecation of MBR disk layouts)

For more information about release dates and build numbers, see Trellix Drive Encryption product release information section in article KB79422.

Rating

The rating defines the urgency for installing this update.

High priority

This update is a high priority for all environments. Failure to apply high priority updates might result in potential business impact.

Product compatibility

This release supports:

  • Trellix ePolicy Orchestrator - On-premises — 5.10.0 SP1 or later.

  • Trellix Agent  — 5.8.0 or later.

Upgrade support

For complete system requirements, see supported platforms for Drive Encryption 8.x in article KB79422.

New features and changes

Removal of support for disks with MBR disk layout — Drive Encryption 8.0.x is the first release that exclusively supports only GUID Partition Table  (GPT) disks. Primary and secondary disks that use the Master Boot Record (MBR) disk layout are not supported. Convert these disks to a GPT layout before upgrading to Drive Encryption 8.x.

Resolved issues

This update resolves known issues.

Category: Installation

Reference

Resolution

TDE-9801

When a client machine is upgraded from FIPS enabled Drive Encryption 7.x to 8.0.x, FIPS is no longer disabled on the client machine.

TDE-9823

Installation of Drive Encryption 7.x is blocked when Drive Encryption 8.0.1 is already installed.

TDE-10001

With Drive Encryption 8.0.x activated, the system now supports successful upgrades to Microsoft Windows 11 24H2.

Category: Fixes to features

Reference

Resolution

TDE-9781

When a user installs Drive Encryption 8.0.x on a Microsoft Windows 11 24H2 machine, the MfeCryptoAdapter64.dll module is no longer blocked from loading into the Local Security Authority.

TDE-9807

Activating Drive Encryption 8.0.x clients no longer fails due to DEGO health checks.

TDE-9850

Temporary autoboot now works successfully on Drive Encryption 8.0.x.

TDE-9879

When Drive Encryption is activated, the pre-boot keyboard layout changes based on the Microsoft Windows language.

TDE-10089

In Drive Encryption 8.0.x, the system no longer intermittently displays the pre-boot authentication screen when the policy 'Prevent automatic booting when the disk is moved between systems' is enabled.

Known issues

For details about Trellix Drive Encryption 8.x known issues, see article KB84502.