Why Extend Volume is Grayed Out in Server 2016?

Question

I can't expand my Simple Volume Disk0 for C:\ Volume.

This is Server 2016 Virtual Machine, Unallocated space of 300GB was added to the VM Disk, as you can see in the screenshot. I haven't the option "Extend Volume" on the C-drive. On the D-drive the option "Extend Volume" is working fine.

Any suggestions please?

C-drive extend grey out

Disk overview

Is there a reason you are using Dynamic disks? Many disk utilities will not move those. — Greg Askew, Jul 16 '23 at 15:55
@java-addict301 win2016 extended support goes to Jan 12, 2027. So there's no new work, only security fixes. — Criggie, Jul 17 '23 at 22:52
@Criggie, how many will subscribe for extended support? 5-10%... — Romeo Ninov, Jul 18 '23 at 19:11
@RomeoNinov I may have used the wrong name, sorry. Win2016 still gets security fixes until Jan2027 and support after that date would be chargeable support. — Criggie, Jul 18 '23 at 22:13

score 6 · Answer 1 · answered Jul 16 '23 at 16:04

6

You can only extend a volume into adjacent free space. The C: volume has no adjacent free space. The free space is adjacent to the D: volume.

You could use a third party utility (take your pick) to make the changes needed to extend the C: volume.

answered Jul 16 '23 at 16:04

joeqwerty

109,901
6
81
172

1

That's not exactly true for Dynamic disks – LDM can concatenate several chunks into a single partition, like Linux LVM. – user1686 Jul 17 '23 at 13:25

score 3 · Answer 2 · answered Jul 16 '23 at 15:40

3

The reason is because the free space is not exactly after the volume you want to extend. If you can move the volume D to be on the right of disk and then extend volume C

answered Jul 16 '23 at 15:40

Romeo Ninov

5,263
4
20
26

Why Extend Volume is Grayed Out in Server 2016?

2 Answers2