

To solve the “Extend Volume” greyed out issue in Windows Server 2012 Disk Management, there are two solutions. If there is not adjacent unallocated space or the partition is formatted with FAT32 or other file systems, you will meet the “Extend Volume greyed out in Windows 2012” problem like the above user.Ģ Solutions to fix "extend volume greyed out” issue in Server 2012 The target volume must be formatted with NTFS file system.

The target volume must be followed by a contiguous unallocated space.Ģ. However, the “Extend Volume” feature only works when the partition you want to extend meet the following two conditions simultaneously:ġ. Why “Extend volume” is greyed out in Windows Server 2012?Ĭompared with previous Server versions such as Windows Server 20, Windows Server 20 R2 can resize partition or re-partition a hard drive more easily because it is equipped with an improved Disk Management, which adds “Extend Volume” and “Shrink Volume” options. But the "Extend Volume" option on the C: drive is grayed out and disabled.” I freed up 100 GB unallocated space from the D: drive using the Disk Management "Shrink Volume" option and tried to add it into C: drive. With more and more programs installed and data added, the C: drive is running out of free space but D: drive has a lot of free space. “I have a Windows Server 2012 R2 with C: and D: drives on the same disk. "Extend Volume" greyed out in Windows Server 2012

