Windows Vista Bitlocker recovery keys and Active Directory schema extensionhttp://msmvps.com/blogs/mika/archive/2006/12/07/windows-vista-bitlocker-recovery-keys-and-active-directory-schema-extension.aspxAlthough ADPREP executable exists on the Vista DVD (\sources\adprep\adprep.exe) with accompanying LDF files (sch14.ldf - sch39.ldf), you should NOT use it to extend the schema of Windows 2000/Server 2003/R2 Active Directory. These files are there forenCommunityServer 2008.5 SP2 (Build: 40407.4157)re: Windows Vista Bitlocker recovery keys and Active Directory schema extensionhttp://msmvps.com/blogs/mika/archive/2006/12/07/windows-vista-bitlocker-recovery-keys-and-active-directory-schema-extension.aspx#484576Thu, 11 Jan 2007 15:27:48 GMTd67277c4-116b-43f1-b688-e9ef184ea916:484576mika<P>Vista online help contains section&nbsp;"How do I use Active Directory for backup of BitLocker Drive Encryption recovery information?". There is the following reference: </P> <P>"For step-by-step instructions for configuring Active Directory and Group Policy to support the storage of recovery and owner information, see <A class=navigationLink href="http://go.microsoft.com/fwlink/?LinkId=67438">Guide to Using Active Directory Domain Services with BitLocker and TPM Services</A> on the Microsoft Web site (http://go.microsoft.com/fwlink/?LinkId=67438)." </P> <P>This document does not exist :( Unfortunately I don't have any further details. The extensions on the Vista RTM DVD do not work as such and a guide and some tools should be become available some time in the near future. Sorry that I can't be of more help at this point in time :(</P><div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=484576" width="1" height="1">re: Windows Vista Bitlocker recovery keys and Active Directory schema extensionhttp://msmvps.com/blogs/mika/archive/2006/12/07/windows-vista-bitlocker-recovery-keys-and-active-directory-schema-extension.aspx#484512Thu, 11 Jan 2007 14:29:39 GMTd67277c4-116b-43f1-b688-e9ef184ea916:484512Alun Jones<p>I couldn't find any public statement from Microsoft to this effect - can you find anything that says what schema extensions are appropriate to apply now, and which aren't? Surely this should be in a readme with the adprep.exe, but I don't find anything there, either - what am I missing?</p><div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=484512" width="1" height="1">