由於有效的開機前驗證，Dell Encryption 解除安裝程式失敗並出現一般錯誤

受影響的產品：

• Dell Encryption Self-Encrypting Drive Manager
• Dell Full Disk Encryption

受影響的版本：

• v10.6 及更新版本

受影響的作業系統：

• Windows

如果您嘗試解除安裝 Dell Encryption，請在具有使用中開機前驗證的端點上使用 Dell Encryption 解除安裝程式可執行檔 （C：\Program Files （x86）\Dell\Dell Data Protection\DataSecurityUninstaller.exe），解除安裝程式會立即退出，並出現一般錯誤。

C：\ProgramData\Dell\Dell Data Protection\ 中的DDPUninstall_Main.log並未顯示與錯誤有關的任何其他資訊。

2021-07-22 14:31:24,873 [3] INFO  CommonLib.Log - Worker.UninstallApps: Beginning uninstall for Dell Encryption Management Agent - x64 v10.7.0.1

2021-07-22 14:31:24,873 [3] DEBUG CommonLib.Log - MSIPackage.InstallApplication: Starting install of Dell Encryption Management Agent - x64 v10.7.0.1 version  with command line - C:\Windows\system32\msiexec.exe /x "{2D4F7762-D922-4F2C-85FB-07B0E17EA5F8}" /qn REBOOT=ReallySuppress  /l*v "C:\ProgramData\dell\Dell Data Protection\DDP_ClientSecurityFramework_Uninstall_MSI.log"

2021-07-22 14:31:28,373 [3] INFO  CommonLib.Log - MSIPackage.InstallApplication: Installation of Dell Encryption Management Agent - x64 v10.7.0.1 complete. Return code = 1603

2021-07-22 14:31:28,373 [3] ERROR CommonLib.Log - UnInstallation of Dell Encryption Management Agent - x64 v10.7.0.1 failed! Please contact your Administrator immediately for troubleshooting before continuing.

檢查 DDP_ClientSecurityFramework_Uninstall_MSI.log，在嘗試解除安裝時，可能會讀到以下錯誤。

MSI (s) (C4:F4) [14:31:28:279]: Product: Dell Encryption Management Agent - x64 -- The PBA must be deactivated prior to uninstall. Retry this uninstallation after the PBA is deactivated. 

The PBA must be deactivated prior to uninstall. Retry this uninstallation after the PBA is deactivated.

若要在受 Dell Full Disk Encryption 或 Dell Encryption Self-Encrypting Drive Manager 保護的端點上執行 Dell Encryption 解除安裝程式，您必須先停用開機前認證。

若要停用開機前認證，請參閱 Dell Encryption Enterprise 進階安裝指南。