
14 Installation Guide
NOTE: If running DDP|E encryption products, stop or pause an encryption sweep. If running Microsoft BitLocker, suspend the encryption
policy. Once DDP|A is uninstalled and Microsoft BitLocker policy is unsuspended, initialize the TPM by following the instructions
located at
http://technet.microsoft.com/en-us/library/cc753140.aspx.
Deprovision DDP|A-Managed Hardware
1
Launch DDP|A and click the
Advanced
tab.
2
Select
Reset System
. This will require that you enter any provisioned credentials to verify your identity. After DDP|A
verifies the credentials, DDP|A will perform the following actions:
• Remove all provisioned credentials from Dell ControlVault (if present)
• Remove Dell ControlVault owner password (if present)
• Remove all provisioned fingerprints from integrated fingerprint reader (if present)
• Remove all BIOS passwords (BIOS System, BIOS Admin, and HDD passwords)
• Clear the Trusted Platform Module
• Remove the DDP|A Credential Provider
Once the computer is deprovisioned, DDP|A reboots the computer
to r
estore the Windows default credential provider.
Uninstall DDP|A
Once the authentication hardware is deprovisioned, uninstall DDP|A.
1
Launch DDP|A and perform a Reset System.
This will remove all DDP|A managed credentials and passwords and will clear the Trusted Platform Module (TPM).
2
Click
Uninstall
to launch the installer.
3
When the uninstall finishes, click
Yes
to restart.
NOTE: If using a self-encrypting drive, removing DDP|A will also unlock the SED and remove the Preboot Authentication.
Initialize the TPM
1. Follow the instructions located at
http://technet.microsoft.com/en-us/library/cc753140.aspx
.
Proceed to
Pre-Installation Configuration to Enable HCA
or if you do not intend to use HCA policies, proceed to
Installation Tasks
.
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