If there is not enough unallocated space on your disk, right-click on a big partition with enough free space, select "Allocate space". Click the "Execute Operation" button at the top and then click "Apply". The program will merge space and add files from the second partition to the first partition. Step 1. Right-click on the D: partition with enough free space and select "Allocate Space".
Step 2. Select the target partition - C: drive and drag the partition panel rightward to add the free space from D: drive to C: drive. Then click "OK" to confirm.
Step 3. Click the "Execute Operation" button and click "Apply" to start the process of moving free space from D: drive to C: drive. To extend C drive on Windows Server with Diskpart commands, there must be a continuous unallocated space next to the C drive. This is the precondition that enables you to utilize the Diskpart command to take effect.
Otherwise, you'll receive an error message that prevents you from executing the next command. The volume you have selected may not be extended. Please select another volume and try again. The reason behind the error message is concerned with the precondition as we've explained. It's due to the lack of unallocated space. In addition, the system volume can only be extended by running Diskpart. When there is no unallocated space right behind system volume, you have to delete the adjacent drive to get unallocated space and then increase the C drive by inputting the relevant commands followed by the Enter key.
Select and hold or right-click the volume that you want to extend, and then select Extend Volume. Select Next , and then on the Select Disks page of the wizard shown here , specify how much to extend the volume.
Typically you'll want to use the default value, which uses all available free space, but you can use a smaller value if you want to create additional volumes in the free space.
Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Step 3: After all operations, refresh the Disk Management to check the new disk layout.
The target partition has been extended successfully, just as shown below partition E:. Here I got the best server partition manager to expand C drive Windows , and I would like to share it with all of you.
But there is a catch, using "diskpart" command to extend partition in Server is not an ideal method due to the following disadvantages:. Therefore, if users who are unfamiliar with computer command line want to extend volume Windows Server , it is suggested to use the professional server partition manager - MiniTool Partition Wizard Server, which is more flexible in extending volume server You can go to the download center to download and install the Demo Version of MiniTool Partition Wizard Server to your computer for a free trail.
Please note that the Demo Version differs from the official version only in executing all your operations finally. Free Download Buy Now. Launch the partition manager server and then you can see the main interface. In the middle panel, all your disks and partitions are listed there along with their specific information. By observation you see there is no unallocated space in the whole disk 1.
In this case, if you want to extend C drive in Windows , Diskpart helps nothing unless you delete partition E:. Aiming at this situation, MiniTool Partition Wizard offers a useful feature called Extend Partition , which requires no unallocated space. Step 2: In this interface, drop down the box to select a partition that you want to split some free space from.
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