Cannot Extend a Partition into Free Space in Windows Server

Cannot Extend a Partition into Free Space in Windows Server

Article Summary: This article provides information on an issue that may prevent a partition residing on a basic disk from being extended in Windows Server.

To extend a partition on a Windows server, it is often necessary to delete another partition that resides on the same disk (after backing up the data in that partition, of course). After performing the deletion, if these partitions reside on a basic disk, you may find that the resulting space is not available when you try to extend the remaining partition.

When this issue occurs, the lower pane of the Disk Management console on the affected server looks similar to this:

On the server shown in the image above, the C: partition can only be extended into the 4GB of unallocated space immediately after it. The 28GB of free space is not available, even though it does not already contain a partition. The reason for this is that the free space is enclosed in an extended partition, shown by the dark green border around it.

The extended partition was created automatically by Windows when the partition that previously existed within it was created. This is necessary in order for more than three partitions to exist on a basic disk. Additional partitions will be created as logical drives within the extended partition.

In order to fully extend the C: drive to fill the remaining space on disk 0, the extended partition must first be deleted. To delete the extended partition, right click anywhere inside it, select Delete Partition, and confirm the deletion when prompted:

After the partition has been deleted, Disk Management will show contiguous unallocated space in its place:

The partition can then be extended into the unallocated space.

Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue. As such Quick Tips have not been reviewed, validated or approved by Dell and should be used with appropriate caution. Dell shall not be liable for any loss, including but not limited to loss of data, loss of profit or loss of revenue, which customers may incur by following any procedure or advice set out in the Quick Tips.

Identificación del artículo: SLN164113

Última fecha de modificación: 09/08/2014 12:29 PM

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