server 2012 r2 recognising removable disks as fixed disks

This is really confusing so I will put all the information I think might be useful...

I have a new HP Proliant G9 with WIndows 2012R2
I have a set of new WD Passport 2TB disks

When I plug in the WD disks they are sometimes recognised as removable (little green safely remove hardware icon) and sometimes not. I have tried different cables, different USB ports and 7 disks. I cannot get consistent results.

The disks when plugged into Windows 8.1 and Windows 7 systems are always removable.

When plugged into Windows 2012 R2 upgraded from windows 2008 R2 I would say they are more likely to be seem as removable but it is by no means certain.

I want them to be removable all the time.
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Carol ChisholmAsked:
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David Johnson, CD, MVPOwnerCommented:
It depends upon the device manufacturer to specify the drive type in its device settings.. in Windows 8 and newer (Server 2012+) Drives certified as Windows 8 compatible will not be recognized by any Windows as a removable drive. you can still unplug and plug in the drive
Carol ChisholmAuthor Commented:
Yes I have read that link thanks.
But when they are recognised as fixed disks you can't use autounlock on them.,

so my question is how do I flag them as removable?
David Johnson, CD, MVPOwnerCommented:
is this in reference to bitlocker?
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Carol ChisholmAuthor Commented:
Well also I do want to remove them, they are portable disks for offsite backup.
I've given up on bitlocker for the moment.
andyalderSaggar maker's framemakerCommented:
I don't think it's possible to flip the Removable Media Bit on WD Passports.

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David Johnson, CD, MVPOwnerCommented:
I say again in Windows 8 and newer (Server 2012+) Drives certified as Windows 8 compatible will not be recognized by any Windows as a removable drive. you can still unplug and plug in the drive
autounlock AFAIK is only applicable for bitlocker
Carol ChisholmAuthor Commented:
Yes I want ideally to bitlock them so when they are away from the office they are encrypted
Carol ChisholmAuthor Commented:
and I have 10 others on another site that are bitlocked and removable, which I bought at the end of last year.
Carol ChisholmAuthor Commented:
WD issue
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