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How to combine partitions in Windows 2008 Server

Combine partitions means bring two partitions together into a large partition, in almost every partition software, this feature is named as 'Merge Partitions'. It is helpful especially when system C drive is running out of space and there is no free space, by combing two partitions, you can add the free space of drive D: to C. However, to many people it is not any easy task to combine partitions in Windows Server 2008, so in this article, I'll introduce how to combine partitions into a larger one.

Combine partitions with Windows 2008 Disk Management

Step 1: Open disk management by either of the methods below.

  • Right-click 'My Computer' > 'Manage' > 'Storage' > 'Disk Management'.
  • Press 'Windows' and 'R' key, input 'compmgmt.msc' and press 'Enter', and then click 'Storage' > 'Disk Management'.

In most of the server computer, the disk partition layout is like this, drive C: D: and E: in disk 0.

Step 2: Backup the files of drive D and then delete it. The disk space of D will become Unallocated.

Step 3: Right-click drive C and select 'Extend Volume' command. Follow up the next steps you can combine the Unallocated space of D to C drive.

Extend partition

Though it is possible to combine two partitons in disk management, have you found the disadvantages?

  • You have to delete drive D:
  • It costs long time to backup and restore, especially when there are large amount of files in this partition.
  • Under some conditions, you cannot delete drive D if some applications is located, such as SQL Server, Exchange Server, etc.
  • The shortcuts of the applications installed in partition D become invalid.

What about combine partitions with partition software

To check if it works, open in Disk Management, there is drive C: E: and F: on disk 0, I want to merge C and E, let's begin.

Disk management

Step 1: Launch Partition Assistant Server Edition, right-click drive E: and select 'Merge Partition'. This command is also available in left 'Partition Operations' panel.

Select merge partition feature

Step 2: In the pop up window, click drive C: and select C as the target partition.

Select partition to merge

Click OK, you'll back to main window, where you'll find that partition E merged into C:

Partition merged

Step 3: Click 'Apply' on top left to proceed merging.

Apply merging

Within several minutes, partitions combining finished.

Merging complete

Let's check in disk management, yes, partitions merged. The 'new' C drive grows from 33.71GB to 51.13GB.

Partition merge successful

In conclusion, it is easier to combine partitions with partition software, all files exist in drive C:, but similar with merging partitions in Disk Management, original partition D: is lost and the shortcuts of D is no longer valid.

If you want to extend C drive by combining partitions, why not resizing partitions? Shrink the data partition to get free Unallocated space and then extend C drive, so there is no influence to any applications or files, all keep the same except partition size changed, refer how to resize partition in Windows 2008 Server.

Related Articles

  • How to reduce partition size on Windows Server 2008?
  • How to split partition in Windows 2008?
  • How to extend C drive on Server 2008?
  • How to partition RAID without rebuilding?
  • How to resize VMware virtual partitions?

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