Users Guide

• Reinstallation may fail with an error such as a le or folder access error or an EMSService crash, if the \temp folder was previously
encrypted with the Common Encryption Key and les were not fully decrypted before uninstallation. To work around this issue, before
reinstalling, remove les from the \temp folder. [DDPMTR-1647, DDPMTR-1782]
• When the Encryption Removal Agent is used to decrypt and uninstall, if an invalid Encryption Administrator Password is entered, an
incorrect error message displays: "Failed to deserialize the specic le" [DDPMTR-1649]
• Running Diagnostic Info results in a le archiving error if run when les that must be accessed are locked or in use. [DDPMTR-1830]
• When running the Setup Wizard after WSDeactivate, access to Common and User encrypted data is lost. To work around this issue,
after running WSDeactivate, do not run the Setup Wizard. Instead, perform File/Folder Encryption recovery as explained in the
Recovery Guide. Select the option, My system does not allow me to access encrypted data.... Reboot the computer then run the Setup
Wizard to re-activate the user. [DDPMTR-1831]
• When the EMS Access Code Failure Action policy is set to Apply Cooldown, the cooldown is not applied. To work around this issue,
after the allowed number of password attempts, the user must manually authenticate to the device. For more information, see "EMS
Authentication Failure" in AdminHelp, accessible from the Remote Management Console. [DDPMTR-1859]
Advanced Authentication
• A warning is truncated on the Encryption screen in the Setup Wizard. The warning advises the user not to unplug or shut down the
computer during SED activation. [CSF-579]
• After upgrade from v8.2 or later, authentication with ngerprints fails. To work around this issue, re-enroll ngerprints after upgrade.
[CSF-746]
• After uninstallation, the DDP Console icon remains on the desktop. To work around this issue, delete the icon after uninstallation.
[DDPMTR-1815]
Preboot Authentication
• If activation fails with an error message that the SED must be recovered, perform a recovery using the instructions in the Recovery
Guide, then reinstall Advanced Authentication and re-activate. [DDPLP-305]
Windows 10 In-Place Upgrade Not Supported
• Windows 10 in-place upgrade is not supported on computers with Dell Data Protection-encrypted data. BEFORE upgrading to Windows
10, uninstall and decrypt Dell Data Protection | Encryption for Windows, then upgrade to Windows 10, then re-install Dell Data
Protection | Encryption for Windows. Failure to follow these steps will result in loss of data.
New Features and Functionality v8.6.1
• Dell Data Protection | Encryption Personal Edition, External Media Edition, Advanced Authentication clients now support Windows 10.
Resolved Technical Advisories v8.6.1
Encryption
• During an upgrade, the following error no longer displays: "error Opendatabase,Databasepath,Openmode/error 80004005, (MSI API
error)." This error occurred intermittently and the upgrade successfully completed after the user acknowledged the error. [DDPC-882]
• An issue that previously occurred on some Dell Latitude E5540 computers with USB external drives connected that resulted in a blue
screen has been resolved. [DDPMTR-955, DDPSUS-259]
• An issue that resulted in occasional SDE key load and unlock failures is now resolved. [DDPMTR-1278]
• During upgrade, when Encryption Removal Agent is installed in order to proceed with uninstall, after the user selects the backup key
location and enters the password, the following error no longer displays: "Error trying to verify the key bundle is for this machine.
Continue without verifying the key bundle?" The installation now proceeds as expected. [DDPMTR-1366]
• Upgrades from pre-v8.5 no longer fail due to encryption notications being sent during the upgrade. [DDPMTR-1404]
• On computers with more than one version of Apache log4net installed and registered with the Global Assembly Cache, uninstallation
now proceeds as expected. [DDPMTR-1519, DDPMTR-1536]
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Dell Data Protection | Personal Edition Technical Advisories
Technical Advisories