Combine Free Disk Space with C Drive in Windows Server 2003, 2008, 2012

Make full use of free space

It happens a lot in computer hard disk that the C drive is running out of disk space while there are many free space in other partitions. Is there any solution to balance this embarrassing situation? Of course YES. You can transfer these free spaces into your poor C drive. The benefit is that you can install more application or store more files in it. At the same time, your computer will obtain a steady performance. All being said, now it is time to cut to the chase. How to combine free space with C drive?

Windows disk management makes no difference

You might first think of Windows disk management. But the bad news is that it doesn't work at all in this issue. Why? Because Windows disk management only supports to merge adjacent unallocated disk space. And the later one should be at the right side. Even when you shrink your partition D or E or F and make an unallocated space, it doesn't work. These unallocated spaces will locate right after the shrunk partitions. They will never be adjacent to your partition C. So, don't waste your time. What should you do then? You will find the answer in the following content.

There is a lot of server partition management software in the market, aiming at optimizing the performance of your disk. And some did do a good job. A recommended one is AOMEI Partition Assistant Server Edition.

About AOMEI Partition Assistant Server Edition

AOMEI Partition Assistant Server Edition is professional server partition manager software developed by AOMEI Tech, which can create, format, move and resize partitions as well as convert partition and merge partitions. Support Windows Server 2003, 2008, 2012, and SBS 2003, 2008, 2011. With AOMEI Partition Assistant, you can resize partition without data loss.

Solve this problem by using AOMEI Partition Assistant

AOMEI Partition Assistant Server Edition has a clean and intuitive interface that catches users' eyes at first sight. The interface of AOMEI Partition Assistant Server Edition shows as below.

There are two ways provided by AOMEI Partition Assistant Server to combine free disk space with C drive. They are "Allocate Free Space" and "Extend Partition Wizard".

Method one: Allocate Free Space from one partition to another

This is a relatively easy way. Now right click the D-drive, there are several operating options for choosing. Click Allocate Free Space (Free disk space is unused disk capacity).

Allocate Free Space

Then a smaller window pops up. Fill in the blank with specified size that is to be added in to the C drive, and then click OK.

Commit Size

As is showing below in the screenshot, AOMEI Partition Assistant gives a preview of this operation. To ensure the change, click Apply at the top-left corner.


To complete the combination, users can also right click the E drive, and the procedures are the same as right click partition D.

Method two: Extend Partition Wizard without rebooting

This is a way that takes a few more procedures but can still hit the mark.

Step 1: Find Extend Partition Wizard at left side. You are expected to click it and choose a way to extend your C drive.

Extend Partition Wizard

Choose Method

Step 2: Click Next until you see the picture below. According to the status of your partitions, tick the partition where exists more free space that you are unlikely to use. And then, click Next to go on.

Select Partition

Step 3: Now drag the slider bar rightwards. The wizard shows you the minimum and maximum partition size you can get. After this step, follow the guidance of Extend Partition Wizard to reach the goal.

Specify New Size

Easy isn't it? By the help of AOMEI Partition Assistant Server Edition, all partition issues can be solved effectively. It is a full-featured disk management utility that is highly recommended for all users. You can download demo version and have a try.