[Solved] HOW TO EXTEND HYPER-V DISK SPACE ON WINDOWS SERVER

Step.1 If you have Domain server, you must login with Domain.
ex: RDP login username --> xxxDomain\Administrator
otherwise you will see as below alert message.



Step.2 To check which one Cluster Disk can be used.


Step3.
Select the VM which you want to extend disk space. >> "Setting"

Step.4, Select the Disk on VM >> Edit



Step.5 HD Wizard>> Next



Step.6 Select Expand


Step.7 Input size (whole size after count, that is not the number you want to extend.) > "Next" > "Finish"



Step.8 Unallocated space

Step9. Select the usage space > right click > extend volume > Finish




Final: Check disk space. OK!








Ref:
How to Resize Virtual Hard Disks in Hyper-V 2016