Why Diskpart Failed to Extend the Volume and How to Solve the Error?

- For Windows 10/9/8.1/8/7/XP/Vista, Server 2003/2008/2011/2012 (32 & 64 bit)

Windows System Partition Low Disk Space

 Windows Low Disk Pace Alert Your disk partition(s) was partitioned in fixed size when installing Operating System, files, data and more applications stored on the partition are gradually increased, if you didn't allocate large enough system partition size, so one day you will get "Windows Low Disk Space" alert. Windows suggests you to delete or uninstall useless data or apps; I must to say this is only a temporary solution. To absolutely resolve this problem, we can reinstall Operating System to repartition hard drive, whereas this is an extremely difficult procedure, you will spend almost 1 day to backup all data, repartition and reinstall apps.


Extend System C Partition with Data Intact – All Bets Are on

Besides reinstalling OS, we could turn 3rd party partition software to release more free space from other partitions and then allocate system C partition in bigger size. When talking about partition software, some of you may first bare Symantec Partition Magic in mind, partition magic is the first partition software which is designed for solving the shortcoming of Windows partition management. Unfortunately, partition magic is no longer upgrade for working with recent versions of Microsoft Windows such as Windows 7, 8 and Server OSs. But you still can find partition magic server alternative, such as Macrorit Partition Expert Server Edition, which is an ALL-IN-ONE partition toolkit. It can help you extend system partition, resize partition or wipe hard drive in a few minutes, while promising all the data untouched.

Extend System Partition

Extend System Partition by Macrorit Partition Expert Manager

First of all, download the trial version to test below steps out.

Run the program, it will display all disk partition information in the main interface.

Partition Expert Main Interface

Shrink D Partition

Step 1: Select "Resize Move Partition" in the right-click drop down menu to get new window. In the window, you can drag the left (Or right side) side to release free space. You also could manually input exact partition size as you wish.

Step 2: Right click system C partition and choose "Resize Partition", drag the right side to add free space. Click "Ok" to back to the main interface.

Merge Unallocated Space to System Partition
Enlarged System Partition

Step 3: You can preview the changes in main interface, to perform the actual operations, click "Commit" to apply. It will take only several minutes to accomplish.

The operation is rather easy. What you need to do is only a few of clicks and drags, or input exact size in actual numbers. All the operations will be executed after clicking "Commit" button. If you want to cancel any step of operation, just click "Undo" or use shortcut combo "Ctrl+Z".

Macrorit Partition Expert with unique Enterprise-class Data Protection has special customized editions for companies use or technical providers. Unlimited Edition and Technician Edition, they are allowed unlimited usage on multiple computers.

See also:

  1. Adding Unallocated Space to Server Existing System Partition
  2. Resize Partition for Windows Server 2008
  3. Resize Partition for Windows Server 2003 Guide
  4. Move Free Space from One to Another
  5. Why Diskpart Failed to Extend Volume and Best Solution