Here are a couple of BitLocker guides from Microsoft.
The Windows BitLocker Design and Deployment guides describe the various aspects of planning for deploying Windows BitLocker Drive Encryption for Windows Vista® Enterprise and Windows Vista® Ultimate computers in an enterprise environment. The document is organized in two guides, and you should carefully consider each guide before you deploy BitLocker Drive Encryption.
Windows BitLocker Drive Encryption Design Guide
This guide provides a systematic approach when planning for BitLocker deployment and highlights the main decision points. This guide is intended for use by an infrastructure specialist or system architect. It assumes that you have a good understanding of how BitLocker and TPM work on a functional level.Windows BitLocker Drive Encryption Deployment Guide
This guide provides detailed instructions on how to prepare Windows Vista images for BitLocker and how to deploy BitLocker in an enterprise environment. This guide is intended for use by a deployment specialist or deployment team. It assumes that you have a good understanding of how automated Windows deployment, Active Directory Domain Services (AD DS) schema extension, and Group Policy works.
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[tags]BitLocker, Drive Encryption, BitLocker Design Guide, BitLocker Deployment Guide[/tags]