Disable BitLocker Active Directory Dependency

Let’s imagine that you have a Windows 7 system that was imaged.  Let’s imagine that the image is designed to easily connect to your infrastructure’s domain.  Let’s also imagine that you don’t want to add this particular system to your domain; you just want to use this system for a separate purpose, but save time by using your primary Windows 7 image.  Let’s also imagine that you want this system to have BitLocker enabled.  Your system meet’s all of Microsoft’s BitLocker requirements, but when you try to enable BitLocker, you get a nasty: BitLocker could not contact the domain.  Ensure that you are connected to the network or contact your system administrator error.

At this point, you have done a ton of research on how to turn off the Active Directory dependency for BitLocker, but have yet to find a solution.  Before you jump off the roof of your building, read below as I have your solution:

  1. Open gpedit.msc
  2. Navigate to: Computer Configuration > Administrative Templates > System > Trusted Platform Module Services.
  3. Disable the setting: Turn on TPM backup to Active Directory Domain Services.  This is probably the evil setting that is causing you all the problems.  But, just in case, continue on to the steps below anyway.
  4. Navigate to: Computer Configuration > Administrative Templates > Windows Components > BitLocker Drive Encryption.
  5. Disable the setting: Store BitLocker recovery information in Active Directory Domain Services (Windows Server 2008 and Windows Vista).
  6. You may need to disable 1 more setting.  Navigate to: Computer Configuration > Administrative Templates > Windows Components > BitLocker Drive Encryption > Operating System Drives.
  7. Disable the setting: Choose how BitLocker-protected operating system drives can be recovered.

Once all those Group Policy settings are disabled, your non-domain connected PC should have no (AD related) problems setting up BitLocker.

VirtualBox Bridged Networking Driver Problems

For most people this will not be an issue, however, there are a few individuals who are exhibiting network problems when using the VirtualBox Bridged Networking driver on the *host* machine.

The Problem:

The problem is that some systems running Windows 7 with the “VirtualBox Bridged Networking” driver installed will have network outage issues when resuming the system from hibernation.  The only way to fix this is the either reboot the machine, or disable/enable the NIC.

This bug has been reported here: http://www.virtualbox.org/ticket/4677, but it doesn’t seem like it will ever be fixed :(

The temporary solution:

Until Oracle gets around to fixing this bug, the following instructions below will correct the problem.  Do note, following the steps below will disable the bridged networking feature of VirtualBox.  However, utilizing this method gives you a simple avenue to re-enable it if you need to use it.

  1. Click the Start Menu / Start Orb.
  2. Type: “View network connections”
  3. Press Enter.
  4. A window should appear with a list of all the network devices attached to your system.
  5. Right click the adapter that is giving you a problem > Properties
  6. Uncheck “VirtualBox Bridged Networking Driver”
  7. Click OK, and you’re all set.

To enable the feature after it is disabled utilizing this method, follow the instructions above in reverse.

Alternatively, you can also just opt out of installing the VirtualBox Bridged Networking driver altogether.  However, doing so will not allow you to easily enable that great feature.

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