Extend volume greyed out on Windows server 2019 solutions - 3 ways

Video Tutorial to Extend Partitions on Windows server


Sometimes you may find the “extend volume” under the Disk Management module greyed out on Windows server 2019 when you try to extend your partitions, don’t worry, this article will show you how to extend partition even when the extend volume greyed out.

Andrew Wright

Updated on 13/02/2023

by Andrew Wright

Follow @IM-Magic


Windows users are scattered around the globe, they love to use its services and multiple tools to ease up their life’s jobs. Windows has launched and introduced many useful tools and tips to solve the problems of the Users and to Troubleshoot them. One of the tools offered by windows is Disk Management which allows you to extend, delete and merge partitions, but it also has its limitations.

Extend Volume Greyed out on Windows server 2019

You often would have experienced that when you need to extend a specific partition running out of space and you go to the disk management and right click on the specific partition, Voila! To extend partition option is greyed out and you can't do anything about it.

How to Extend Partition when Extend Volume Greyed outHow to Extend Partition when Extend Volume Greyed out

Lucky for you, this article might be helpful in this regard there is a unique and excellent tool which can pull off what Disk Manager fails to. We are talking about IM-Magic Partition Resizer SERVER edition .

This problem persists for many operating systems of Windows including many servers like 2003, 2008, 2010, 2012, 2016 and 2019 as well.

How to Extend Partition in Disk Management when Extend Volume Greyed out

Disk Manager can't extend volume for a drive if

  • There is no free space next to the drive you want to expand
  • Disk is MBR that is limited to 2TB
  • The drive is not NTFS or raw file system (It cannot extend fat32 partitions)
  • The unallocated disk space is from another disk without RAID

Also read: how to extend fat32 partitions

Resolution-> Delete volume, or shrink large volume to produce unallocated space, and then extend volume in Server 2019 could be enabled.

delete volume server 2012 to extend volume disk management

Video - how to shrink/delete volume in disk management to extend volume

Note: if the unallocated free space is not next to c drive (Suppose you want to expand c), or there are some other factors involved eg MBR disk, non-ntfs partition, extended partition, the extend volume will still be disabled. => This could be easily resolved by IM-Magic Partition Resizer Server, which is able to extend, shrink, merge, convert, move partitions without losing data.

[Guide] Steps to extend volume without data loss with IM-Magic partition Resizer Server

download This step by step guide will show you the right way to extend any volume using  IM-Magic Partition Resizer.

Step-1  Download install, and launch the program.

Step-2 Right click the large volume to produce unallocated free space.

Steps to resize your disk partition
Steps to resize your disk partition

Step-3  Then right click c and drag the border to acquire the free space.

Steps to resize your disk partition
Steps to resize your disk partition

Step-4 Apply the changes.

download free windows 10 partition software

For more tutorial, be free to visit https://www.resize-c.com/video/

When deleting and shrinking volume does not work for you in disk mangement, to extend the volume you would have to download the IM-Magic Partition Resizer Server. It carries many functions like resize/remove a partition, split, merge partitions, allocate or create free space and many more.

Instructions to Extend Partitions with IM-Magic Partition Resizer Server

Step-1, launch the software and open disk map, there you can see all the disk elements installed on your system, choose the disk whose partition you wish to extend, or which was greyed out in disk management. Create the unallocated space form other hard drives by using shrink volume or resize a partition.

Step-2, To extend Partition of the specific drive, right click on the drive and click resize/move.

Step-3, Now, you will see the unallocated or free space right next to the respective drive. Move the mouse towards the right when double arrow shows.

Step-4, This way you are merging the low space drive with the unallocated space. And at the end Apply changes. Your drive has been successfully extended using IM-Magic Partition.

This tool is really a lifesaver and is remarkable and compatible with many Windows Servers. To extend volume greyed out Windows Server 2019 and other servers IM-Magic Partition Resizer is the first choice.

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