The most obvious difference between basic and dynamic disks lies in operating system support. While all versions of Windows--even DOS--support basic disks, we can't say the same for dynamic disks.

Windows 2003 server boots just fine from dynamic disks, but I think you should show us a screenshot of your Disk Managament MMC so we can be sure you're not accidentally spanning the volume.

In a very small nutshell, dynamic disks let you do things basic disks can't, like resizing volumes and making volumes span multiple disks (including software RAID 0/1/5).

If a basic disk can be hot expanded and can be a GPT partition, it seems like the only reason left for using dynamic disk is for disk subsystems that don't support RAID configurations. Since Windows ...

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Partition Wizard supports all the latest partition technologies such as Windows dynamic disks and GPT.