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How to extend windows partition 2017-03-03 14:17:48

分类: WINDOWS

How to extend/expand disk partition in Windows Server 2012

As the sixth Windows Server edition, Windows Server 2012 added and improved many features, but the Disk Management keeps the same with Windows Server 2008. Though Disk Management console integrates Extend Volume feature to extend a disk partition, it is useless in most of the cases. In this article I’ll introduce how to extend partition on Windows Server 2012 (R2) without data loss.

Part 1 – Expand volume under Disk Management

Step 1: Right click “Windows” on the bottom left corner in Server 2012 desktop and select “Disk Management” and then the console will be opened.

Server 2012 disk management

Step 2: Right click the drive you want to expand and select “Extend Volume“. Finish the Extend Volume Wizard.

Please compare the following two screenshots carefully.

Extend Volume available

VS

Extend volume greyed out

Have you found out the difference? When you right click drive D, the Extend Volume is available in first picture, but “Extend Volume” function is grayed out when you right-click the system C drive, why?

Because there is adjacent “Unallocated” free space next to Drive D, but no such space behind C. So this is the key limitation in Windows Server 2012 Disk Management: to extend/expand a partition, there should be contiguous free space. That is to say, if you want toextend system C drive by shrinking drive D, it is impossible.

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