Can I Use Diskpart to Shrink Partition in Windows Server 2003?

It is not available to use Diskpart to shrink partition in Server 2003. Then, what how can you to shrink partition in Windows Server 2003? Don’t worry and a third party partition manager can be helpful!


By Bryce / Updated on May 12, 2023

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Can I shrink partition via Diskpart in Server 2003?

In Windows Server 2003, my hard drive is originally allocated with one partition (Partition C). Now I want to create more partitions to save my files separately. I decide to shrink C drive to get unallocated space in Disk Management, but only find that there is no Shrink Volume Partition. Then, is it possible to use Diskpart utility to shrink partition in Windows Server 2003? If not, what should I do?”

The answer is negative

Diskpart is a command-line tool. In Windows Server 2003, you can use it to mark partition as active, assign drive letter, create partition, delete partition, and so on, but not for shrinking partition, as there is no shrink command listed in Windows Server 2003 Diskpart utility. To reduce partition size in Server 2003, you can turn to third-party software. If you are running Windows Server 2008/2012/2016 or 2019, you can use it to shrink partition via Diskpart through the following steps:

1. Press “Windows” + “R” at the same time, input “cmd” to run Command Prompt as Administrator.

2. Input “diskpart” to run Diskpart and run the following commands”

● list disk
● select disk m
● list partition
● select partition n
● shrink desired=size

Notes: “m” stands for the number of the disk that contains the partition that will be shrunk; “n” is the number of the volume that you want to shrink; and the unit of size is MB.

3. After shrinking partition, you can type "exit" and hit Enter to close this window.

◆ However, in Windows Server 2008/2012/2016/2019, Diskpart won’t allow you to shrink partition that is not formatted with NTFS file system; when you shrink NTFS partition, there are chances that you can’t shrink partition via Diskpart and will be warned by an error message.
◆ The shrink failure can be caused by unmovable files (like paging files), bad clusters, or something else. To shrink partition, you need to take measures accordingly. The process can be complicated and bothering.

How to shrink partition in Windows Server 2003 successfully?

Since you can’t use Disk Management or Diskpart to shrink partition in Windows Server 2003, it will be a nice choice to turn to a third-party partition manager for Windows Server, AOMEI Partition Assistant Server. It can shrink partition in Windows Server 2003, resize BitLocker partition, and extend partition effortlessly. And the software is featured with many other functions, such as converting MBR to GPT, cloning disk, etc. It is available to free download its demo version to have a try at first!

Free Download Win 2003/2008/2012/2016/2019
Secure Download

1. Run the software and right-click the partition that you want to shrink and choose Resize/Move Partition.

Shrink Partition

2. In the pop-up window, drag the double-head arrow leftwards to decrease the partition size and click OK.


3. You’ll be back to the main console, click Apply, and Proceed to execute the operation.



1. If you shrink system partition, shrink a partition where has some running space, shrink a partition that contains AOMEI Partition Assistant Server installation or page file, operation will be performed under PreOS mode.

2. This software can work under Windows Server 2019, 2016, 2012 (R2) and 2008 (R2). 

Bryce · Staff Editor
Bryce is an editor of AOMEI Technology, he covers backup & restore, hard disk & partitions management, cloud files transfer, website & database backup and so on for AOMEI. He enjoys helping people find solutions to their problems. He loves traveling, Sleeping, reserching and so on. He enjoys helping people find solutions to their problems. He loves traveling, Sleeping, reserching and so on. He would like to spend all time on reaserching computer problems. He is a very cute boy.