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Resolve "Extend Volume Greyed out" Problem in Windows 7/Vista/2008

If you are using Windows Server 2008, Windows 8, Windows 7 or Windows Vista, you may find there are some improvements in Disk Management (compare with Windows 2000/2003/XP). In other words, you can resize partition with the functions - "Extend Volume" and "Shrink Volume". However, there are some limitations, please read on.

Why extend volume greyed out?

To illustrate that, let me take one example: On Windows Server 2008, some day you find C drive is running out of disk space, but D drive has a large amount of unused space. In this case, the first thing that comes to your mind is to take some free space from D and add to C drive.

Here is two ways to solve the problem, one is use Server Partition Assistant Free Edition to change partition size, another is use Windows Disk Management.

Then, open Windows 2008 Built-in Disk Management, right click D drive and select "Shrink Volume" in the drop-down menu, and type the amount of space to shrink as shown below:

After click "Shrink" button, there will be 20GB unallocated space behind D drive. Then, right-click C drive and you will find the "Extend Volume" greyed out:

Why extend volume is greyed out even though there is unallocated space on the disk? That’s because "Extend Volume" function only works with contiguous unallocated space on the right side of the partition you would like to extend, e.g. [C drive][unallocated space][D drive].

To make unallocated space locate behind C drive, you have to move D: partition, however, there is no such feature in Disk Management. Then, how to make extend volume not greyed out or how to extend partition when there is non-contiguous unallocated space?

Another way to resolve "Extend Volume Greyed out" problem

As Partition Magic software alternative, Partition Assistant Server Edition is reliable and fantastic tool to partition hard drive. It is especially designed for Windows 8/8.1/7/Vista/2003/2008 users to resolve extend volume greyed out problem by resizing and moving partition. Besides, it also perform other basic and advanced features to maintain computer performance as follows:

With its easy-to-use interface, is very safe and simple to resize/move partition or merge non-contiguous unallocated space. First, choose the right version, install and launch it. Then, right-click the partition and select "Resize Partition", in the pop-up window, change partition size by dragging slider and move partition by dragging partition. To save changes, you have to click "Apply" on the toolbar. Below is the main window of Partition Magic for Server software - Partition Assistant Server Edition.

With several mouse clicks and drags, you can resolve extend volume greyed out problem. Click here to download the free version of the partition magic software and have a try before you buy full version.

Download free version of the software and enjoy it.

Tip: Choose the right product based on your operating system and requirements:

  • To solve Disk Management extend volume greyed out in Windows 8/8.1/7/Vista, you need to choose Pro Edition, which works well with Windows 8 and 8.1, Windows 7, Vista, XP and Windows 2000 Professional (all editions).
  • To solve Disk Management extend volume greyed out in Windows Server, you need to choose Server Edition, which works well with Windows Server 2016, 2012 and 2012 R2, Windows Server 2008 and 2008 R2, Windows Server 2003, 2000, SBS 2003/2008/2011 and Home Server 2011.
  • For Enterprise users, Unlimited Edition allows unlimited usage within one company to save time and money, in other words, you can install it on unlimited servers and PCs in your company.

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