Extend System/Boot Volume on Server 2003/2008 with Contiguous Unallocated Space

Recommended Preferred Partition Assistant Server Free Edition
Download Free Server Partition Software - Partition Assistant Lite Edition will help you extend, shrink, move partition etc.(Safely change partition size for server 2003/2008).

Common questions to extend system/boot volume on Server 2003/2008

I often find two common questions in Microsoft forum as followings:

Question 1: My Windows Server 2003 system partition (also boot partition) is 30GB and I want to add 30GB unallocated space to system boot volume. My HDD is 320GB and I partitioned it into 3 partitions(C, D, E, F). I tried Diskpart command line utility, but I received the error message: "Diskpart failed to extend the volume. Please make sure the volume is valid for extending."

Question 2: My boot partition C drive is running out of space, the Windows Server 2008 computer runs slowly. I need to extend my boot volume Server 2008. Then, I used the built-in Disk Management to shrink my D partition and free up 40GB free space. However, when I tried to extend system boot partition into unallocated space, I found "Extend Volume" grayed out.

In fact, both of the problem are easy and safe to solve with third-party partition software – AOMEI Partition Assistant Server Edition which can extend boot partition into contiguous free space on Windows 8/7/Vista/XP and Server 2000/2003/2008 both 32 bit and 64 bit.

How to extend system/boot volume on Windows Server 2003/2008?

Take Windows 2008 for example, the steps are all one whatever the Windows Operating System you install. The following are step by step instructions to extend system/boot volume on Windows 2008.

Step1: Launch AOMEI Partition Assistant Server Edition.

Partition Assistant

Step2: Select partition E and position mouse pointer on the left slider. Drag the slider rightwards when it becomes a double-head arrow.

Create Contiguous Free Space

Step3: You will find there is contiguous unallocated space behind the system boot partition C drive. Then, select C drive and position mouse pointer on the right slider. Drag the slider rightwards to add unallocated space to system boot volume.

Extend System Boot Partition into Contiguous Unallocated Space

Step4: The "Pending Operations" displays all the operations you do. Just click "Apply" to make the changes take effect.

Click Apply

Step5: Confirm the pending operations and click "Proceed".

Pending Operations

Operation Progress

The advantages of extending system/boot volume with AOMEI Partition Assistant

There are various limitations to extend volume with Diskpart command line and built-in Disk Management.

On the part of Diskpart, only the extension of data volumes is supported. System or boot volume may be blocked from being extended. That's the answer to the above question 1.

In term of Disk Management, the "Shrink Volume" option can only create unallocated space on the right of the partition, but you can only extend volume into contiguous unallocated space. In other words, there is D partition between system/boot partition and unallocated space. You can not extend system/boot partition unless you delete D partition which may cause data loss.

All in all, it's a wise and good choice to extend system/boot volume with AOMEI Partition Assistant which is no limitations, losing data, deleting drive, rebooting computer. Download free trial and try it now.

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