However, Extend Volume is still greyed out after deleting. They are not the steps to help fix this issue. All operations below are just used to explain why Extend Volume grayed out in Windows 2016 server. Some people even tried to delete the contiguous D: drive. Some free space is taken out from D but Extend Volume is disabled to C drive, too. Some people try to shrink D to get Unallocated space via “Shrink Volume” function. If you right click a drive without any Unallocated space, Extend Volume is absolutely grayed out.
The cases Extend Volume greyed out in Server 2016 DMįirst of all, let’s see the common scenarios of Extend Volume option greyed out in Windows 2016 Disk Management. In this article, I’ll introduce the reasons why Extend Volume greyed out in Windows Server 2016 Disk Management and what to do when Extend Volume is disabled to C drive. However, they find that Server 2016 Extend Volume option is grayed out, even after shrinking any other partitions. When system partition C is getting full, many server administrators try to shrink D and expand C drive. It is very easy to understand, Extend Volume is used to increase partition size and Shrink Volume is used to reduce partition size. Microsoft added “Extend Volume” and “Shrink Volume” functions in Disk Management from Windows Server 2008. Windows Server 2016 Extend Volume option is greyed out
