Hi Brandon,
If D: holds the original XP installation, then it is also likely to be the
designated system partition - IE: the one that holds the files that the
system boots from. If you delete it, then the system will not load properly,
if at all. What you would need to do is redesignate the Vista volume (C

as
active and run a startup repair to it. Once you are booting from that
volume, you will be able to delete D:.
Now, the tough part is where D: is physically located on the drive. If it is
ahead of or before C:, you will have to use a third party program to slide
C: forward to the beginning of the empty drive space. Only then will you be
able to expand it to encompass the free space created by deleting D:. You
can't expand forward, only from the end of the partition/volume.
--
Best of Luck,
Rick Rogers, aka "Nutcase" - Microsoft MVP
http://mvp.support.microsoft.com/
Windows help -
www.rickrogers.org
My thoughts
http://rick-mvp.blogspot.com
"Brandon V" <Brandon
V@discussions.microsoft.com> wrote in message
news:734873C6-3EEE-4C88-971F-2C9792C2E122@microsoft.com...
> Ok I had XP installed on my pc, now we have vista home prmium as well as
> xp
> pro. Hard Drive has 3 partition, I would like to just delete the D:
> (System
> Partition with XP), and Unallocated Space, and add them to the C: (Vista
> Home
> Premium). I tried in disk management but it won't let me delete D: or
> expand
> C: to take up the extra space that is unallocated. Any ideas?