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How to Change HP t520 RAM Drive Letter?

HP Recommended
Microsoft Windows 10 (64-bit)

I just recently purchased a couple HP t520 Thin Clients with Windows 10 Embedded. By default the RAM drive letter is "Z". My company has a  a network drive that auto maps to "Z". I have been unable to find a way to change it. The only thing that kind of led me to the right place was a registry change (HKLM\System\CurrentControlSet\Services\Ramdrive\Parameters\DriveLetter). However I have changed it and restarted the system but it doesnt change the drive letter. I also looked in Controlpanel\HP RAM Disk Manager which shows the letter change but the only options is to change the size of the RAM drive. 


Any Ideas on how to change the RAM Drive Letter? 


Note: I have also disabled HP UWFC so the changes I make do save. 

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Sure, just change it under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Ramdisk\Parameters

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