Free/Best Disk Partition Manager for Windows Server 2008 R2

by Jordan, Updated on: August 27, 2026

Windows Server 2025 has been released, but some companies are still running Windows Server 2008. The hard disk drives on these servers have likely been running for a long time as well. You need a reliable server partition manager to resize a partition, convert a disk partition type, or clone a disk to an SSD or a larger one. On many servers, the C drive runs out of space. With the help of partition manager software, you can increase C drive space by moving free space from another partition. This article introduces the built-in free partition manager in Windows Server 2008 R2 and the best partition software for Server 2008/2012/2016/2019/2022/2025.

Inbuilt Free Partition Manager in Windows Server 2008 R2

As in previous versions, Windows Server 2008 has its built-in partition manager: Disk Management. It is able to initialize a brand-new hard disk, create and format partitions to save files, delete partitions, and change drive letters and paths.

Better than Server 2003, Windows Server 2008 Disk Management has new "Shrink Volume" and "Extend Volume" functions to help resize partitions without losing data (in most cases).

However, not all partitions can be resized. Disk Management can only shrink an NTFS partition leftward to create Unallocated space on the right, and extend an NTFS partition by deleting its contiguous volume on the right. If you want to extend a volume by shrinking another one, this native tool cannot help you. Learn why you cannot extend a partition in Server 2008 Disk Management.

Disk Management is able to convert a disk between MBR and GPT, and between Basic and Dynamic. But this is destructive; you must delete all partitions on the disk before converting.

If you need a powerful partition tool to manage server disk partitions better and more easily, you need third-party partition software for Windows Server 2008 (R2).

Best Partition Software for Windows Server 2008 R2

There are many disk partition software programs for Server 2008 R2 on the market, and their functions are all similar. So, which aspect is the most important when selecting a server partition manager: the GUI or the number of functions? No, it is the data protection ability.

There is a potential risk of system damage and data loss when resizing partitions or making other modifications. For example, when resizing volumes, partitioning software will modify all parameters of the associated disk, volume, and files. In addition, all files in the partition that you shrink and move must be relocated to new locations. Any error could damage server partitions. Besides software errors, hardware issues such as power failures could cause a disaster as well.

Better than other disk partition tools, NIUBI Partition Editor has advanced technologies to protect your system and data.

To ensure 100% system and data safety, you may clone the disk to another one with this tool. It has the ability to clone the system disk without restarting the server.

Because of its unique file-moving algorithm, NIUBI is 30% to 300% faster when resizing/moving partitions and cloning disk partitions. This is very helpful if there is a large number of files in a partition and when the operations require a server reboot to proceed. Furthermore, NIUBI Partition Editor has many other advantages, such as:

How to Resize and Manage Partitions in Windows Server 2008

Download NIUBI Partition Editor, and you will see the main window with 5 sections.

NIUBI Partition Editor

  1. All single partitions with detailed parameters.
  2. All physical and virtual disks (RAID arrays) with graphical structures.
  3. Available operations for a selected disk or partition. (You will see the same options by right-clicking. Unlike other tools, unavailable options are hidden automatically.)
  4. Pending Operations: all operations you perform will not be executed immediately; instead, they will be listed there as pending.
  5. Cancel, redo, or apply the pending operations.

Watch the video guide to learn how to shrink, extend, move, merge, copy, and convert disk partitions for Server 2008.

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