The Ways to Extend Volume in Windows Server 2016

February 25, 2016

There are some ways to extend a volume in Windows Server 2016, such as Diskpart, Disk Management and AOMEI Partition Assistant. Let's look at how they work.

Windows users may know that the partitions are not divided perfectly at the first time. With time goes by, you may find that some partitions are too small for storage data, while some partitions are too big to waste a lot of space. Thus, you may want to re-partition the disk so that the space can be used more reasonable.

Using Diskpart to Extend Volume for Windows Server 2016

Diskpart is the built-in tool for Windows users to manage their disks with command line. You can use it to extend volume for Windows Server 2016, too. Press “Win+R” and type “diskpart” to open the CMD. Then, type the relative syntax to extend the partition:

  • list disk
  • select disk<disk number>
  • list volume
  • select volume<volume number>
  • extend size=<size>

Type the parameters above, it will shown as the next screen shot, and you may extend the volume successfully.

Diskpart Extend Volume

However, if there is no unallocated space contiguous to the volume you want to extend, this syntax will be invalid.

Extend volume with Windows Server 2016 Disk Management

Windows Server 2016 is the latest operation system of Windows Server. Although it upgrades many functions, it still has the tool Disk Management, which you can use to manage the disks and partitions. You can use it to resize Windows Server 2016 partitions with the Extend Volume and the Shrink Volume. Originally, the system partition running out of space may cause a slowly run of the whole system, and you would like to use the Extend Volume to extend the system partition so that it can have enough space to run normally. To use Disk Management to extend volume, you need to right click the partition you want to extend (here we extend the system partition), select Extend Volume to get into this wizard to extend it step by step.

DM Extend Volume

However, sometimes when you open the Disk Management to resize the partition, the Extend Volume is grayed out so that you cannot use it. As the same reason of the Windows system previously. The Extend Volume of the Windows Server 2016 Disk Management still asks there must be unallocated space behind the partition and adjacent to it. If there is no unallocated space nearly to it, the Extend Volume would be grayed out like the following picture, so that you cannot extend volume for the partition.

Extend Volume Grayed Out

So, what should you do when the Disk Management and Diskpart unable to extend volume in Windows Server 2016?

Extend volume in Windows Server 2016 with AOMEI Partition Assistant

Users cannot extend volume with Disk Management and Diskpart when there is no contiguous unallocated space. Fortunately, you can use other software like AOMEI Partition Assistant to extend volume with many other methods. AOMEI Partition Assistant is designed for managing disk. It has two editions specially for Windows Server OSes, the AOMEI Partition Assistant Lite (free) and AOMEI Partition Assistant Server. To extend volume in Windows Server 2016, it provides at least 3 methods. But first, install and launch the software to your computer.

1. Use the Extend Partition Wizard

AOMEI Partition Assistant has a great Extend Partition Wizard, which can lead you to extend partition step by step. You can use it to extend volume for Windows Server 2016 with effortless.

Use Extend Partition Wizard

2. Use the Resize Partition to extend partition

If there is any unallocated space adjacent to the partition (if the unallocated space isn’t adjacent to the partition, you can make it adjacent to the partition by Move Partition) you want to extend, no matter it is at the right side or left side or both side, you can use Resize Partition to extend it. Right click the partition, select Resize Partition.

Use Resize Partition

It will lead you to the page where you can drag the bar to the left or right side, or input the specific number to extend the partition. Following the guide. Click Apply to submit the pending operations.

3. Extend volume by taking use of another partition’s free space

It is general situation that the system partition is running out of space while other partitions have many free space, and there is no unallocated space. Thus, you can use the Merge Partitions to merge the C: partition with the adjacent partition, or you can use the “Allocated free space” to extend the system partition by using the free space from other partitions.

Use Allocated Free Space

With the help of AOMEI Partition Assistant Server, you can resize Windows Server 2016 partitions without the limitations of Disk Management. Even hen the Extend Volume grayed out in Disk Management, you can find out more than one way to extend volume from AOMEI Partition Assistant for Windows Sever 2016. It is a good Windows Server 2016 disk manager. Actually, you can use it to manage all the Windows Server OS, including Windows Server 2012 (R2), 2008 (R2), 2003, etc.