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BitLocker Server 2012 R2

Posted on 2016-07-19
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Last Modified: 2016-08-08
Hi,

I have a hard drive that's bitlocked. when I try to unlock it the process freezes and i need to reboot the server to clear it. I can unencrypt the external hard drive from a laptop but it bitlocks automaticly after its unplugged which is fine. My problem why cant i unlock it from the server? why does the process freeze?

If I connect another external drive I cant access it and if I try to open the external drive the explorer freezes and I have to reboot the server again.

Any idea? Thank you
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Question by:AquaJ9
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Expert Comment

by:McKnife
ID: 41719677
That other drive, is it bitlocked as well?
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Author Comment

by:AquaJ9
ID: 41719704
Its a brand new drive. It worked when i first plugged it in but after the second time its not bitlocked and i cant access it. I double click on it and nothing happens. Just a green bar going across the top.
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Expert Comment

by:McKnife
ID: 41720246
You confuse me :) Does connecting drives fail in general or only with bitlocked drives?
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Author Comment

by:AquaJ9
ID: 41721039
Both cannot be accessed. Bitlocked or not. I used different USB ports and the same problem
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Expert Comment

by:McKnife
ID: 41721049
Dos your server have both USB3 and USB2 ports? Sometimes USB3 have problems while USB2 don't. Try the slower USB2 for a test. There are some problems with microsoft's own USB3 XHCI driver seen on certain mainboards.
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Author Comment

by:AquaJ9
ID: 41721054
I tried all USB ports and I am getting the same problem
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Expert Comment

by:McKnife
ID: 41721061
But does it have two sorts of ports (or just one sort)? If so, which sort? (or name the mainboard if you don't know)
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Author Comment

by:AquaJ9
ID: 41721064
it has both 2.0 and 3.0 and it worked perfectly until 2 weeks ago. Maybe its the group policy?
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Expert Comment

by:McKnife
ID: 41721068
There's no GPO setting that would have such results.
Please retry in safe mode with networking.
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Author Comment

by:AquaJ9
ID: 41721466
What else can it be?
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Expert Comment

by:McKnife
ID: 41721591
Did you boot to safe mode yet?
Could be corrupted usb drivers.
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Author Comment

by:AquaJ9
ID: 41721596
No I haven't because the office is still open.

I would probably need to reinstall USB drivers from the Server's Website correct?
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Expert Comment

by:McKnife
ID: 41722244
The usb drivers are normally those that windows brings with it, so repairing those would mean to repair windows with for example an inplace upgrade (start windows setup from with your running windows - select to keep applications, files and settings).

Before you do that, try safe mode.
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Author Comment

by:AquaJ9
ID: 41723118
Thanks.
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Author Comment

by:AquaJ9
ID: 41729973
Hi,

I now do not think its a bitlocker issue.

When I plugin any external hard drive the server does not read it at all. It shows me the drive but i cant open it and i dont see the details of the hard drive. Mouse and keyboard are working perfectly and i tried moving the external hard drive to a different USB and still the same issue. any ideas?
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Assisted Solution

by:McKnife
McKnife earned 500 total points
ID: 41730120
First, let's talk about safe mode, did you finally try it?
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Author Comment

by:AquaJ9
ID: 41730134
I can't do it during the day and I don't know when the next time I will be onsite.
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Accepted Solution

by:
McKnife earned 500 total points
ID: 41730266
Understandable.
Safe mode would help understand if some software is interfering, like for example anti virus softwares that try to govern usb media. Of AV software runs amok, such effects might be seen. Else, you already heard my opinion: try to repair windows using an inplace upgrade.
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Expert Comment

by:McKnife
ID: 41737369
Did you succeed?
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Author Comment

by:AquaJ9
ID: 41737372
Not yet. I don't know when I can load the Server into safe mode, but i am going to try other methods and as a last resort I will try safe mode.
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Expert Comment

by:McKnife
ID: 41737427
Ok, keep me updated if you need help.
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Author Comment

by:AquaJ9
ID: 41737431
Will do thanks
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Author Comment

by:AquaJ9
ID: 41747751
After removing Bitlocker I can now read USB drives. hmm weird
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