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How to resize my Windows 8 server partition?

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Hello, the system partition of my disk server is now running out of space. How can I extend the partition without rebooting the OS? I need a tutorial as precise as possible, thank you!

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I too have the same problem on windows 7. Provide an answer

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answered by (100k points)
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Performing live operations to your server's boot partition isn't possible using the built-in tools which Windows 8 offers. You will need a third-party application software to achieve this goal because the operations will greatly affect the stability of the operating system. Judging by the action you want to perform, one restart is minimum required by any application which handles partitions.

If you want to make changes to the system's partition while you are in the desktop, you can use any available partition editor application. You will see the modifications but for the changes to take effect, a restart is necessary if it doesn't work.

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Agree with Andrew, a freeware for partition management can solve your problem, I'm sure this is exact what you need, this article is talking about how to extend(resize)the partition of windows server 2008, let it help you out, look luck!

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Here is a way through Diskpart command
Note: The partition you would like to resize must be NTFS file system and there must be some contiguous unallocated space on the right side of the partition you would like to extend.

To add unallocated space into a data partition and keep data intact, you must first select the partition to give it the focus, and then you can input how large to extend.

Step1: Click "Start" > "Programs" > "Accessories" > "Command Prompt", type "diskpart" and press "Enter" to continue.
Step2: Type "list volume" to display the existing volumes on the disks.
Step3: Type "select volume 0". The number is the data volume that you want to extend.
Step4: Type "extend size=10240".

Here a tutorial to resize server 2003 which is similar to 2008:

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How to resize partition Windows server 2008

There're three solutions you can choose the one fit for you.

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Resize Partition in Windows Server 2008 and 2008 R2 SP1 with Three Solutions

In order to maximize utilization of server storages and optimize server performance, it's a common need for system administrators to resize Windows Server 2008 partition. Although Windows Server 2008's Disk Management snap-in and Diskpart Command Line are available to resize partition, there are some limitations in both utilities.

Limitation 1: I have a Windows Server 2008 R2 SP1 with C and D drives. I free up 30 GB space from the D drive using the "Shrink Volume" option and want to add it to C drive. However, the "Extend Volume" greyed out.

Limitation 2: When trying to extend a partition in Windows 2008 Server with Diskpart, I received an error message: "Diskpart failed to extend the volume. Please make sure the volume is valid for extending"
Three solutions to resize partition in Windows Server 2008

Solution 1: Partition Magic Server Software helps resize partition without losing data
Solution 2: Resize Windows 2008 Server partition with Diskpart
Solution 3: Resize partition with Windows Server 2008's Disk Management snap-in

All the above solutions allow you to resize Windows Server 2008 partition. As mentioned earlier, you can only resize partition in Windows Server 2008 with Disk Management snap-in and Diskpart under certain circumstances.

Solution 1: Resize Windows Server 2008 partition with Partition Magic Server Software

There are lots of partition software and which one is available? Some unreliable software might destroy all your important data during the process of resizing partition in Windows Server 2008. Therefore, it is very important to choose a reliable one. According to the feedbacks, Partition Magic Server Software - Partition Assistant Server is highly recommended.

The following is a step by step tutorial on how to resize Windows Server 2008 partition without losing data and rebooting:

Step1: Launch Partition Assistant Server. The user-friendly interface makes the task very easy and simple. Select D partition, and right click on it and select "Resize Partition" in the menu item.
Resize Windows Server 2008 Partition

In the pop-up window, position the mouse pointer on the right handle and drag the slider bar leftwards to shrink the data partition.
Shrink Windows Server 2008 Partition

Step3: Click "OK". You will find there is some unallocated space behind D partition. Then, right click on it again and select "Move Partition".
Move Windows Server 2008 Partition

In the pop-up window, position the mouse pointer on D partition and move it rightwards to make the unallocated space locate behind C drive.
Move Windows Server 2008 Partition

Step4: Click "OK" and select C drive. Then, position the mouse pointer on the left handle and drag the slider bar rightwards to extend Windows Server 2008 partition.
Extend Windows Server 2008 Partition

Step5: You can preview the extended C drive and reduced D partition. To save the changes, please click "Apply" to perform the "Pending Operations".
Click Apply

When all operations are finished, you will receive a message like the one below. Besides, no reboot is necessary.
Windows Server 2008 Partition Resized

Last but not the least, compare with built-in Disk Management and Diskpart Command line, Partition Assistant Server Edition is much more convenient, easy and safe to resize partition for Windows Server 2008. It enables you to perform basic and advanced disk&partition operations without losing data, deleting partitions and rebooting computer.

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How to resize partition on windows XP/vista/7/8 and windows sever 2003/2008 with Macrorit Disk Partition Expert:


This article introduce you an easy and safe way to resize partition step by step with Macrorit Disk Partition Expert, as follows I will start with my windows XP PC as an example. You can also use this way to partition windows vista/7/8 and windows sever 2003/2008/2008-R2/2012.Support both 32 and 64 bits!

Macrorit is the first data safety guaranteed Partition Management Software which provides power-off protection. That means you never worry about the other software probable safe problems, you can cancel the program in any situation, besides during the operation, power off and other similar damages.

 Case 1: Shrink the partition size (Shrink partition D as an example)
Launch the Macrorit Disk Partition Expert , you'll see all detail information of the partition and disk as shown

Learn more:

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As Partition Magic alternative, Partition Assistant Pro is considered as the latest Partition Magic for Windows 8. It allows you to resize windows 8 partition without data loss!

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