AOMEI Partition Assistant Server

Reliable and comprehensive Windows Server partition manager and disk performance optimizer

Maximize disk space usage and improve Server performance:

  • Resize, move, extend, shrink, merge partitions to reallocate free disk space.
  • Convert disk between MBR and GPT without data loss.
  • Mange disk partitions and fix issues under bootable media.
  • Support Windows Server 2022, 2019, 2016, 2012 (R2), 2008 (R2), 2003 and SBS 2011, 2008, 2003

Automatic renewal. Free get all updates during your subscription period.

2 Servers / License
$ 169 .00
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One-time payment. Lifetime free upgrades to any later new versions.

2 Servers / License
$ 199 .00
20% OFF
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All-inclusive Windows Server Partition Software

This powerful and reliable Windows Server partition manager integrates a set of functions allowing you to rapidly manage hard drives, change disk properties, repair disk errors while ensuring data security.

Flexibly Change Partition Size

System C drive in low disk space warning? Or want to resize Server partition? Partition Assistant allows you to resize/move partition or BitLocker-encrypted partition flexibly, delete partition to free up space, split partition to divide a partition into two or more partitions, and merge partitions to enlarge a partition with multiple small partitions, thus optimizing their storage capacity efficaciously.

  • Resize/Move Partition
    Resize/Move Partition

    Flexibly and safely extend and shrink partition space without experiencing any limitations or constraints, even on BitLocker-encrypted partitions.

  • Allocate Free Space
    Allocate Free Space

    Directly move spare space from one partition to another. Completely eliminates the problem of sufficient disk space but insufficient C drive capacity.

  • Extend Partition Wizard
    Extend Partition Wizard

    Step by step wizard to extend a partition by taking free space from other partitions on the same disk without rebooting.

  • Dynamic Disk Manager
    Dynamic Disk Manager

    Resize, move, extend, and shrink dynamic disk volumes, including simple, spanned, striped, mirrored, and RAID-5 volumes.

  • Merge Partitions
    Merge Partitions

    Combine two existing partitions into one to fix unbalanced partition space, and make it easy to manage them.

Safe Disk & Partition Converter

Partition Assistant Server enables the seamless conversion of MBR to GPT, or vice versa, without any loss of data, effectively resolving problems extra-large hard drive not showing full capacity, or the presence of the "GPT Protective" shield. Dynamic conversion feature allows users to convert disk types from dynamic to basic or basic to dynamic, all while retaining their critical data. Additionally, the NTFS/FAT32 conversion, and primary/logical partition conversion also running without losing data.

  • Convert to MBR/GPT
    Convert to MBR/GPT

    Convert MBR to GPT or GPT to MBR without losing data - solves problems such as 3 TB hard drive not showing full capacity, “GPT Protective”, or prepare for Windows 11 upgrade.

  • Convert to Basic/Dynamic
    Convert to Basic/Dynamic

    Convert disk type from dynamic to basic or basic to dynamic without data loss.

  • Convert to NTFS/FAT32
    Convert to NTFS/FAT32

    Total data-safe NTFS/FAT32 file system conversion for guard your data closely.

  • Convert to Primary/Logical
    Convert to Primary/Logical

    convert primary partition to logical or logical to primary partition without losing data.

Fast OS & Disk Cloning

Need to upgrade system disk or change a new disk for better performance? With “Migrate OS to SSD/HDD” and “Clone Disk/Partition” features, users can easily transfer all data including system files from the source disk to the target disk. The hot clone won’t disturb your current work, and “SSD 4K alignment” optimization guarantees superior disk performance post-cloning for your Windows Server, enhancing overall efficiency. What’s more, Windows To Go Creator can make a portable system USB to run your Windows on any PC.

  • Migrate OS to SSD
    Migrate OS to SSD

    Exclusively enables the migration of an OS to another disk, eliminating the cumbersome process of PC setup.

  • Clone Disk
    Clone Disk

    Create a complete duplicate of the original disk. Immediately set up new PC with familiar OS environment. Two cloning methods adapt disks with different storage size.

  • Clone Partition
    Clone Partition

    The most convenient selection for single partition backup needs.

  • Windows To Go Creator
    Windows To Go Creator

    Run your own Windows Server anytime and anywhere on any computer, even a Mac PC.

Easily Fix Low Disk Space

To free up storage space, the 3 powerful features can effectively transfer installed apps, large folders and remove all unnecessary files, including temporary files, unwanted applications, and system junk. Additionally, the software provides flexible options for customizing your cleaning preferences, allowing you to exclude specific file types or folders from the cleaning process. You can optimize your storage capacity, speed up your system performance, and ensure that your PC always runs at peak efficiency.

  • App Mover
    App Mover

    Relocating installed programs and large folders to release your system drive from low space crisis. Without reinstalling and resetting, no program data will be damaged, all runs smoothly as before.

  • Delete Large Files
    Delete Large Files

    Intelligently scan disks and folders automatically, crucial files will be marked, completely eliminate any risk of inadvertently deleting critical files

  • Remove Junk Files
    Remove Junk Files

    After full scanning all storage part on computer, any redundant files will be cleaned to keep your device running at its best with no downtime.

Data Safe Protection

Data safety is important for your business. Whether it's data loss or data breach, both can potentially lead to business disruptions. Data recovery helps you to get lost or deleted data back, and data wipe ensures your sensitive data cannot be recovered.

  • File Recovery
    File Recovery

    Recover over 200 types of data, regardless of how it was lost - may it be inadvertent deletion, disk formatting, system crash, virus attack, or other issues.

  • Partition Recovery
    Partition Recovery

    Fast search helps you quickly recover deleted or lost partition. Full search will scan each sector of the selected disk for recovery.

  • Shred Files
    Shred Files

    The ultimate solution to completely prevent deleted files from being recovered. Any target files won’t be recovered after 4 shredding methods.

  • Wipe Data
    Wipe Data

    Wipe your hard drive or partition completely and overwriting useless information to prevent data leaking.

Explore More Useful Tools

Make Bootable Media
Make Bootable Media

Create a USB as a handy repair media to fix issues and save crucial data when devices can’t boot normally.

Reset Password
Reset Password

Reset and remove local account password if you forget it or it’s unavailable.

Disk Defrag
Disk Defrag

Automatically clear data fragments on the target disk to keep efficient disk performance.

Rebuild MBR
Rebuild MBR

Let you fix BCD errors without complex command lines.

Disk Speed Test
Disk Speed Test

Test disks speed to monitor devices status.

Disk Surface Test
Disk Surface Test

Thoroughly and meticulously test sectors on the selected disk for filtering all suspicious problems.

S.M.A.R.T Health
S.M.A.R.T Health

Monitor your disk status every day to protect your disks from unexpected failing during daily working.

UEFI BIOS Boot Manager
UEFI BIOS Boot Manager

Easily access and manage UEFI boot entries in Windows.

System Requirements

Supported Operating System
Windows Server 2022
Windows Server 2019
Windows Server 2016
Windows Server 2012 and 2012 R2
Windows Server 2008 and 2008 R2
Windows Server 2003 and 2003 R2
Windows SBS 2003, 2008, 2011
Windows 11/10/8.1/8/7/Vista/XP
Supported File System
Ext2/Ext3/Ext4 *
Bitlocker, other file systems *
* Partitions with theses file systems cannot be resized for now but you can create, delete, format, move and clone them.
Supported Device
Hard disk drive (HDDs), solid-state drives (SSDs) and SSHD.
Full support all hardware RAID, such as RAID 0, 1, 5, 10.
IDE, SATA, iSCSI, SCSI disk, USB 3.0/2.0/1.0 disks.
Removable devices, flash drives, such as PC cards, TF cards, SD cards, and so on.
virtual disk partition in VMware, Virtual Box and Virtual PC etc.

Choose the Most Suitable Solution for Your Business

AOMEI Partition Assistant
$ 169 .00
Buy Now
$ 199 .00
Buy Now
  • One license for 2 servers
  • Windows 11/10/8.1/8/7/Vista/XP
  • Windows Server 2022/2019/2016/2012(R2)/2008(R2)/
AOMEI Partition Assistant
$ 399 .00
Buy Now
$ 599 .00
Buy Now
  • One license for unlimited PCs and servers
  • Windows 11/10/8.1/8/7/Vista/XP
  • Windows Server 2022/2019/2016/2012(R2)/2008(R2)/
  • Unlimited usage within one company
  • Create portable version
AOMEI Partition Assistant
$ 599 .00
Buy Now
$ 799 .00
Buy Now
  • One license for unlimited PCs and servers
  • Windows 11/10/8.1/8/7/Vista/XP
  • Windows Server 2022/2019/2016/2012(R2)/2008(R2)/
  • Unlimited usage for multiple companies
  • Create portable version
  • Provide billable technical services to clients.

Why choose AOMEI Partition Assistant Server?


Ease-to-use and intuitive interface makes complicated operations simple and quick. Even a computer beginner can handle it.


Enhanced technologies ensure no data loss. Preview outcome of an operation before you click “Apply” in case operative error.


As the leading provider of disk management solutions, AOMEI Partition Assistant has earned the trust of 60+ millions of users worldwide.

You may still be wondering...

Do I need to delete my data before converting dynamic disk to basic?

With AOMEI Partition Assistant, you don’t need to delete a partition and you will not lose you data.

We have the 2TB drive size limit on MBR and want to change it to GPT partition style. Will this Server partition software case data loss to make the conversion?

It will keep your data to complete partition style conversion. And it works well in convert both Server OS and data partitions.

I wanted to extend system drive in Server 2016, but “Extend Volume” is greyed out in Disk Management, AOMEI Partition Assistant can perform it?

Windows DM requires adjacent unallocated space to extend a partition, otherwise the option will be greyed out. Fortunately, “Move Partition” feature can work it out, and “Extend Partition Wizard” can directly increase it with free space.

I can’t find my D drive on File Explorer. How can I restore the missing partition on Windows Server 2022?

The “Partition Recovery Wizard” can help you. It will scan through your hard drive and recover deleted or lost partition.

My Server 2012 crashed, and it just stopped working and frozen? Does it help to rebuild the MBR?

Lots of factors can cause system crash. If it is due to bad sectors and BCD error, you can create a bootable WinPE media to boot up your Server, and try check the bad sectors and rebuild MBR to fix it.

Is it able to clone a HDD to a smaller SSD and make it bootable?

AOMEI Partition Assistant supports clone larger disk to smaller SSD as long as the destination drive has enough space to keep the data to clone. And it can be directly placed on the disk bay to boot up your Server.

How to Fix "Extend Volume Greyed out" on Windows Server 2016 Windows Server 2019: Convert MBR to GPT without Data Loss Fixed: Windows Server 2012 Boot BCD Error How to Clone Windows Server 2012 (R2) to SSD or HDD? Professional Partition Recovery Software for Windows Server How to Move Apps in Windows Server 2022 without Boot Issues

Awards & Testimonials

The Server version is a great assistant for enterprises to get disks in well-managed.

Partition Assistant Server is a fantastic tool that quickly and easily solved our IT department's problem. This post only scratches the surface of the utility's capabilities.

AOMEI Partition Assistant Server would seem to be the most and capable Server partition utility we've tried. It's highly recommended for all Server users.

Great UI and powerful features. It simplifies disk managing work in Windows Server and make people can practice complicated operations with ease.

AOMEI Partition Assistant Server is powerful and feature-rich disk partition management application. It provides lots of functions that could solve troubles and help users to manage storage space

By Cameron Fatemi

It is the best server partition manager ever, and it is really powerful than I thought. I made a Windows To Go bootable USB to run Windows 8 when I’m in traveling work and helps me a lots.

By Emmett Cressman

“Extend system wizard” is a fantastic feature. The low space system drive made me mad but the Windows 2008 can’t help me to change the size at all. And I searched the method and found AOMEI Partition Assistant Server, and it left me deep impression for its interface and solved it problem within a few clicks.

By Jeff Franklin

I basically gave up on trying to switch my HDD to GPT SSD without formatting it. I downloaded AOMEI partition assistant and it switched it in seconds without deleting all my stuff! I love it! Thanks.

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Reliable hard disk partition management solutions to maximize disk space
usage and improve Server performance