By AOMEI / Last Updated February 26, 2020

Why resize partition in Windows Server?

To resize partition in Windows Server is a process of changing the original size of one partition to make it smaller or bigger than it used to be. So the reasons why we need to resize partition in Server computer can be divided into two parts.

On one hand, if the original partition size is too small to hold more data, you might need to take from free space from other partition to extend it. On the other hand, when your partition is too big and the stored data just occupied a little, and the rest free space is wasted, then you can resize and shrink it to smaller, generating an unallocated space to create a new partition for saving different types of files, or extend another small-sized partition.

Resize Partition for Windows 2000, 2003, 2008 Server by Partition Magic Server (Limited)

There is a hard disk drive partition manager from PowerQuest Corporation, called Partition Magic. But it stopped updateing and providing supports with users after it is acquired by Symantec in 2003. And therefore even the final version – Partition Magic 8 can only run on the platform of Windows 98, XP and Windows 2000 Professional. What a pity!

Resize partition by Windows Disk Management (Limited)

Besides Partition Magic, users also tend to use the Windows Disk Management when it comes to resizing partition in Windows Server computer. To be honest, the “Shrink Volume” and “Extend Volume” of Disk Management can really provide help sometimes.

But it comes with some limitations as well. For example, the “Extend Volume” option can only be used when there is an unallocated space right behind the target partition. To make the unallocated space right behind the partition you want to extend, you must move it to that location. However, Disk Management does not support moving partition. Besides, Disk Management on Windows Server 2003 even does not contain Shrink Volume and Extend Volume features.

Try a magic partition Server tool to resize partition flexibly

Concerned on Partition Magic and Disk Management's restrictions, AOMEI Partition Assistant Server emerges to meet computer users’ requirements, and has become a popular Windows Server partition software alternative to Partition Magic successfully.

This latest and powerful server partition manager software can support Windows Server 2003, 2008 (R2), 2012 (R2), 2011, 2016, and 2019, much advanced than Partition Magic. Compared with Disk Management, it develops “Move Partition” feature, allowing you to move the target partition adjacent to the unallocated space. And its “Merge Partition” function can combine unallocated space and another partition directly no matter where the unallocated space locates on the same disk. In addition, it has the following amazing functions to meet most of your needs:

  • Resize (shrink/move/extend) partition without losing data.

  • Extend NTFS system partition without rebooting your server.

  • Create, delete and format partitions easily.

  • Copy, wipe, and check partitions conveniently.

From the below pictures, you can know that AOMEI Partition Assistant has a simple but practical interface. It is plain and clear, with functions available listed on the left and menu items listed on the top. The middle pane shows further details about you disks, which makes operation very easy.

Main Interface

Specified steps of resizing partition

To help you know more about how to use this Server partition manager, here we will take resizing Partition D and C as example.

Step 1. Launch AOMEI Partition Assistant Server Edition. In the middle pane, right click partition D and click Resize Partition in the pop-up menu.

Resize A Partition

Step 2. A small window comes out, with a slider bar to drag leftwards/rightwards to specify the new partition size. Also, you can type in the accurate number of partition size. Click OK to continue.

Move And Resize Partition

Note: the new location should be at least equal or larger than the original partition after resizing.

Step 3. Now there is a large unallocated space right behind partition C. Right click partition C and choose Resize Partition.

Resize C Partition

Note: if the unallocated space is not behind after C drive, you can right click D drive, select Move Partition to move D drive to the right side. Then the unallocated space will be after the C drive.

Step 4. Drag the bar rightwards to extend partition C to the right side, and then click OK.

Extend Partition Size

Step 5. Now you can have a preview of what changes you have made. After resizing, partition D has been shrunk and partition C has been extended. Don’t forget to click Apply and Proceed to commit the change.


With an unallocated space, you can also create a new partition from right click on it.

That’s all about the server magic partition tools and what they can do. You can choose one according to your requirements. If you want a Windows Server partition software with concise style and easy-to-use characteristic, AOMEI Partition Assistant Server Edition is right for you.