Even with allocated partition and RAID array virtual drives size, server system will run slower and slower, or even crash because of low disk space after constant use. In the following situations, we may need to resize partition:
1. Low disk space in system partition.
2. Create more partitions for different usage to manage files and data more effectively.
3. There is need to write data to a small data partition.
Generally, we shrink partition either for creating new partition, or for extending other partition. Windows Server 2003 built-in disk management tool does not provide function of shrinking partition. What you need is a professional partition magic server such as MiniTool Partition Wizard Server Edition. It resizes partition in serve easily, safely, and fast.

Shrink partition in Windows Server 2003 with partition magic server
The following two screenshots are the comparison between MiniTool Partition Wizard Server Edition and disk management tool layout.





Now let's see how to shrink partition in Windows Server 2003 with MiniTool Partition Wizard Server Edition.
Firstly, right click partition E: and select "Move/Resize" option in shortcut menu. In the next interface, drag the border of partition handle to shrink. Pay attention to that if you drag the left border rightwards, unallocated space will be created behind partition E:, and if you drag the right border leftwards, the unallocated space will be in front of partition E:.









Secondly, to extend system partition with unallocated space, right click system partition in the list and select "Move/Resize" in shortcut menu. To create a new partition, select unallocated space and click "Create" button at tool bar. After all settings, remember to click "Apply" button at top left corner of main interface to execute all operations.
Please Visit http://www.partitionwizard.com to learn more about this partition magic server.