How to Shrink Windows Server 2016 Volume in a Flexible and Safe Way?

February 25, 2016

Learn how to shrink volume in Windows Server 2016 to free up unallocated space for creating new partition or extending other volume.

Shrink Volume with Windows 2016 Disk Management

Windows Server 2016 is the latest server operating system which is corresponding with Windows 10. It has many absorbing new features. You can use the Disk Management to manage your disks well. for example, you may find that your partitions are not reasonable that you want to shrink one for your personal files. Thus, you can use the Disk Management to shrink one partition for creating a new one. Just right click the partition you are going to shrink, select Shrink Volume.

DM Shrink Volume

However, users still met the problem that the Shrink Volume option may be grayed out when they try to use the Disk Management to shrink volume. Why the Shrink Volume grayed out even there is much free space of the partition? You may find that the partition you planned to shrink has much free space, but when you right click it, the Shrink Volume option shows gray in the menu. That is because there are some disk fragments on this partition, or there are some unmovable files occupied the trail of the partition, so even there is much free space, you cannot use it to shrink volume for Windows Server 2016.

Shrink Server 2016 Volume with Diskpart

Diskpart is another utility of Windows system for managing disks. it is more powerful than Disk Management so that if you cannot solve the problem with Disk Management, you can solve it with the Diskpart. For example, if you want to shrink volume for Windows Server 2016 with the Diskpart, you can use the following parameters. But here you need to open the prompt by pressing ‘WIN+R” and press Enter, then type “diskpart” and press Enter to launch this program. Take an example for shrinking the volume 2 on disk 0.

  • Type list disk. This parameter will list all the disks on your computer.
  • Type select disk 0. Select the disk which contains the partition you want to shrink.
  • Type list volume. Here will list all the volumes on the selected disk.
  • Type select volume 2. Select the volume you want to shrink.
  • Type shrink desired=10240. It will shrink 10240MB (10GB) for the volume.
Shrink Volume

Unfortunately, you may get a parameter is incorrect error note. As it mentioned above, if there are some disk fragments which lead you to shrink volume failed, you need to make a defrag for your disk first, then use its syntax to shrink volume. But if there is any unmovable file at the end of the partition, you cannot shrink it with Diskpart utility, either.

Shrink volume in Windows 2016 without limitations

The failure of Disk Management and Diskpart cannot mean that there is no way to shrink volume if there are many unmovable files at the end of the partition. AOMEI Partition Assistant provides you shrink volume successfully in that situation and without destroying any data. For Windows Server users, AOMEI Partition Assistant provides you two different versions AOMEI Partition Assistant Lite version (free) and AOMEI Partition Assistant Sever version. To use it resize Windows Server 2016 partitions, you need to install it first.

Before you do, there are some tips for you.

  • Shrink volume of the system partition will be executed under the PreOS mode.
  • Shrink volume of the partition where has some running applications will be executed under the PreOS mode.
  • Shrink the volume of the partition which contains the AOMEI Partition Assistant installation contents or page file will be executed under the PreOS mode.

Step1. Launch the software, you will see its main interface and the basic situation of the disk partitions. You can shrink any partition with free space. Right click the partition you want to shrink(here takes D partition as an example), select Resize Partition.

PA Resize Partition

Step2. You can drag the mouse from the edge towards the central to shrink the partition as the following picture shows, or type the specific number to shrink volume for the Windows Server 2016.

PA Shrink Partition

Step3. After the resizing, click OK, you will back to the main interface. Click Apply at the toolbar to submit the pending operations.

Here you have already finished shrink volume for Windows Server 2016 partitions, and then, you can use the unallocated space to create new partition for Windows Server 2016, or extend other partitions. The shrink volume of AOMEI Partition Assistant is very easy and simple, even there is any unmovable file as hinder. What’s more, it also supports Windows Server 2012 (R2), 2008 (R2), 2003, 2011 and other Windows PC OSes.