Once these two partitions were out of the way, I went back to the Disk Management console and saw the Extend Volume option became available again.Īfter following a few simple steps through the wizard, I got a bigger volume that uses all the space on the new bigger SSD disk. It basically enables DiskPart to delete any partition regardless of their type, other than the ones that are system partition, boot partition or hold active paging file.

Now, let’s try it again with the “override” flag. Unfortunately, failed with the same message. Let’s try Delete Partition command instead. Virtual Disk Service error:Ĭannot delete a protected partition without teh force protected parameter set. But when I selected the volume and tried to use Delete Volume to delete it, I was prompted with the following error. That’s when the command line DiskPart comes in handy. There is no option to delete it when right-clicking to it. But I can’t easily delete these two system-reserved partitions using the built-in Disk Management tool. The other reason why Extend Volume may be greyed out and unable to be clicked is because the partitions are. In short, the Disk Management might not allow you to extend a partition even if you have unallocated space on the drive. The partition capacity as reached the 2TB limit on MBR disk. While trying to extend system or any other partition using the built-in Disk Management utility, you might see that the Extend Volume option, which appears when you right-click on a partition, is grayed out or disabled.

In order to extend a volume, they need to be removed so the free unallocated space needs to be right next to it. Extend volume grayed out on Windows server. Why Is Extend Volume Grayed Out Windows cant extend a primary partition with unallocated space in an extended partition, or vice versa. The reason why it’s grayed out is that there are two preserved partitions that get in the way between two partitions that want to join together. After cloned the whole disk to a 240GB SSD and successfully booted up, the Extend Volume is grayed out, preventing me from extending the partition to get more space.

One user’s 128GB SSD drive ran out of the space.

Extend partition greyed out