http://blogs.technet.com/ganand/archive/2008/04/26/you-will-not-get-the-option-to-reset-pin-in-bitlocker-when-using-tpm-pin-startupkey-protectors-in-vista-sp1.aspxAah i dont write blogs in such a nice format but this was written for an another document and i am putting same copy-paste here to save time.Hope this helps. ======= SYMPTOMS When you are using TPM+PIN+StartupKey protector on vista sp1 bitlocker enableden-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/ganand/archive/2008/04/26/you-will-not-get-the-option-to-reset-pin-in-bitlocker-when-using-tpm-pin-startupkey-protectors-in-vista-sp1.aspx#3225331Sat, 11 Apr 2009 12:38:56 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3225331b0c8dfcf-d019-43c5-be68-f3d247101d9e@vcool.com.au<p>Thanks so much for this post.</p> <p>I guess that the TPM + Startup Key + PIN combination isn't too common.</p> <p>Nonetheless, I hope that support for it via Control Panel is introduced into Vista and Windows 7.</p>