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How to resize Windows SBS 2011 partitions

Windows Small Business Server 2011 (SBS 2011) is the latest Windows Server edtion from Microsoft, though new features and updates added, you'll still encounter disk space usage problem. Many experienced server administrators know the easiest solution to solve this problem is by resizing partitions, but few people have experience resizing SBS 2011 partitions, so in this article, I'll introduce how to resize disk partitions on Windows SBS 2011 without starting from scratch.

SBS 2011

Disk space problem on Windows SBS 2011

On Windows SBS 2011, there are two typical disk space usage issue.

No choice to edition disk partition when installing

Unlike previous Windows versions, when you install SBS 2011, there is no choice to create, format, delete partitions, so you have to install operating system on whole hard disk. After installing, there are only one volumes, one for operating system, the other for server storage. To create more partitions, you need to shrink a partition and create new with the free unallocated space. As there is built-in Shrink feature under Disk Management, this problem can be easily solved.

No space in system C: drive

The same with other Windows versions, in Windows Small Business Server 2011 you have to install updates and other applications. Including with Windows, program and brower caches, as well as temporary files, system C drive becomes full very quickly. As I said above, to solve this problem, the fast and easiest way is resizing C: drive an other partitions.

Unfortunately, the build-in Shrink and Extend feature cannot help you. To extend a partition, there should be free Unallocated space behind it. After shrinking drive D:, the unallocated space is behind D: rather than C: drive, so you cannot extend the system C: drive.

Then how to resize SBS 2011 partitions? You need third party server partition software, such as Acronis Disk Director Server, Partition Magic Server, Partition Assistant Server, etc.

Step-by-step to resize SBS 2011 system partition

Firstly, check disk partition properties in Disk Management and Dashboard.

SBS 2011 hard drives

SBS 2011 disk management

There is drive C: D: and F: on Disk 0, I want to resize partition C: and F: (extend C: drive by taking space from F:), let's begin.

Step 1: Launch Aomei Partition Assistant Server, you'll see all disk partitions connected to the SBS 2011.

PA main window

Right click drive F: and select "Allocate Free Space".

Select resize feature

Step 2: In the pop up window, input the value how much space to shrink from drive F: and select C: drive as target partition that add the free space to.

Shrink and extend partition

After click OK, you'll back to main window again, where you'll find that both drive C: and F: resized.

Partition resized

Step 3: Press "Apply" button on top left to proceed. You'll see the pending operations, click "Proceed" if there is no mistake.

Pending resize

Very quickly, partition resizing complete.

Resized successfully

Check in Disk Management again, yes, C: drive extended to 86.15GB.

Resize partitions done

Before running this program, I closed all open files and running programs, so I can resize SBS 2011 partitions without rebooting.

In conclusion, to resize partition on Windows SBS 2011, you just need to select a partition to shrink and then extend other drive with the free unallocated space.

No partition software is able to extend a partition by taking space from another physical hard drive, that is to say, to extend system C: drive, there should be other partition on the same disk.

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