Windows dynamic disk is an advantage disk format than basic disk. Eg: panning volume into mirrored volume and multiple disks. A disk management own Windows 2003 permits users to convert basic disk to dynamic disk. On the dynamic disk users maximize the hard disk performance under Server 2003, create simple volume, spanned volume, striped volume, mirrored volume and RAID5 volume.

Unlikely, you may not accomplish some operations on dynamic disks by Windows 2003 disk management, such as extend system volume or boot volume size. Result that dynamic system can not be extent it can only did by dynamic converter software. To extend dynamic system volume without data lose on Windows Server 2003, first you should turn to Dynamic Disk Converter , second extend the system volume on the basic disk via third a party partition software like Partition Assistant, last convert the basic disk to dynamic one if you need.

Convert to basic disk via Dynamic Disk Converter                               

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