David - eureka, mark this as solved! I am so sorry to have taken so much of your valuable time for such an oversight - but I do thank you very much for the solution.
Now I can add the other 2 HGST 4TB drives that arrived today in a RAID 5 configuration...
Oh - the pix are in order:
DM Screenshot just after startup
File Explorer shot just after startup
DM Screenshot after double-clicking the vhdx file
File Explorer screenshot just after double-clicking the vhdx file
My script (file is named AttachMyVHDX.txt and is located in E:\VHDs:
select vdisk file="E:\VHDs\HGST4TB.vhdx"
In Task Scheduler, the "action" is: diskpart /s with parameter of E:\VHDs\AttachMyVHDX.txt
Thank you so much for sticking with this and I'm sure it will...
I can't create a simple text file and place it on my C: drive in Win 8.1 - says that I don't have permission. The properties of the drive show that I do - full control, every class of user. Am I missing something really simple?
I would have saved the script to my C: drive but for some odd reason it won't let me write to the C: drive. I've checked the properties of the C: drive - it is shared and every class of user has full control, including me, the "trusted installer". What's up with that?
When I run my script from a DOS prompt, it reports successful completion but also says, "There is no volume specified. Please select a volume and try again."
ALso - after the script runs, I can see that in DM, the virtual drive is mounted with the letter F: It also appears in Explorer. It just...
Hi David - my physical HGST 4TB drive has drive letter E: assigned to it in Disk Management. Should the virtual drive have a different logical letter?
Disk 1 in DM is the physical HGST 4TB drive with the first 379MB reserved by the system, the next 2TB in an active, healthy primary partition...