Frank, you can use BitLocker without TPM,
using a USB drive instead.
http://www.tweakvista.com/article39148.aspx
http://technet2.microsoft.com/Window....mspx?mfr=true
Scenario 3: Enabling BitLocker Drive Encryption Advanced Startup Options
"Frank" <> wrote in message news:...
>I have a dual boot with XP and Vista Ultimate 64 bit and I could not figure
> out why I kept losing restore points until I read this thread. I tried
> TweekUI in XP but that did not work for me. I also tried Bitlocker but it
> said I don't have a TPM. I have no idea what that is. Is there a work
> around?
>
>
> "S Wayne" <> wrote in message
> news:eBo2iE$...
>>I have to say that this issue is a true example of Microsoft engineers
>> working in closets with the lights off and the door tightly closed.
>>
>> This issue could have (and should have) been remedied SO easily prior
>> to Vista's launch. The only reason it wasn't fixed was because none of
>> the MS Engineers gave a moments thought to the fact that people in the
>> real world would dual-boot Vista and XP while they got over the early
>> adopter issues. Frankly using the same directory structure for restore
>> points when it was known that XP would destroy this data bridges on
>> criminal negligence on Microsoft's part.
>>
>> I mean what part of "We just blew away the only data the customer can
>> use to recover from a system failure," did the MS Engineers think would
>> be acceptable?
>>
>> "The WOW starts now!" seems to mean, "WOW, did they even test this OS?"
>>
>>
>> MICHAEL wrote:
>>> As we all know, if you dual-boot XP and Vista,
>>> XP's volsnap.sys will delete Vista's restore points
>>> and shadow copies. We know the two fixes- hide
>>> Vista's partition from XP or if you have Ultimate,
>>> BitLocker will protect Vista.
>>>
>>> I have seen some users suggest using TweakUI to hide Vista's partition. An MVP has this
>>> posted
>>> on his website as an option. I have seen this posted
>>> in on several websites. However, I have seen quite
>>> a few folks say that TweakUI doesn't actually work
>>> properly in hiding Vista's partition and their restore points
>>> are deleted. Has anyone verified if TweakUI actually does
>>> protect Vista's restore points by hiding Vista's partition?
>>>
>>> I would appreciate feedback on this. Those that have used
>>> TweakUI, booted to XP and then back to Vista, and still have
>>> their restore points. Successful and unsuccessful.
>>>
>>> Before I recommend this to anyone, I really would like to
>>> hear from those that have tried it. Unfortunately, I haven't
>>> tried it, yet. I'm using BitLocker to protect Vista on this machine.
>>>
>>> Thanks guys.
>>>
>>>
>>> -Michael
>