On-premises BitLocker management using System Center Configuration Manager

[Thomas123]

Do you know why Bitlocker Management policy is encrypting only System Drive and skip Fixed/Removable Drives?

 

Edited April 23, 2020 by Thomas123

[anyweb]

can you explain further what you mean by this ? are you seeing it ignoring settings you've defined in your policy ?

[Thomas123]

I see that if I enable this policy on workstation it will prompt by bitlocker management to encrypt C:\ and enter the PIN password, so the policy works but after encryption is finish I have noticed that it encrypted only C:\ system drive.

 

Should I wait some time for encrypt fixed drive or it should encrypt after mbam prompt both disks?

Edited April 24, 2020 by Thomas123

[anyweb]

is Volume d a physical disk in the computer or what ? 

[Thomas123]

On 4/24/2020 at 6:02 PM, anyweb said:

is Volume d a physical disk in the computer or what ? 

In this case is second physical drive but the same situation is on only one physical drive but 2 partition, i checked few workstation and that Policy never encrypt D partition 

[anyweb]

ok and you are using Configmgr 1910 ? I think it would be worth re-testing this with ConfigMgr 2020

[Thomas123]

Right, ConfigMgr1910. I will install also hotfixes available on my site. There is something related to bitlocker.

 

https://support.microsoft.com/en-us/help/4537079/update-rollup-for-microsoft-endpoint-configuration-manager-current-bra

 

So in your opinion there is unknown bug and my configuration should work? What will be happend if I create another bitlocker policy and run on these computers? It will skip and nothing will be happend or there is a chance that MBAM encrypt D:\ drive?

[anyweb]

i haven't tested your scenario in 1910 or 2002 so it could be a bug, can you test in a lab ?

[Thomas123]

Yes i will test but also I just read again MBAM documentation and I thing that i found my bad configuration. In 1910 you cannot specify auto-unlock for fixed drive or passwor policie (I see that feature is now available in 2002 version). The documentation clearly say that:

 

Fixed data drive encryption
Suggested configuration: Enabled

Manage your requirement for encryption of fixed data drives. If you enable this setting, BitLocker requires users to put all fixed data drives under protection. It then encrypts the data drives.

When you enable this policy, either enable auto-unlock or the settings for Fixed data drive password policy.

Configure auto-unlock for fixed data drive: Allow or require BitLocker to automatically unlock any encrypted data drive. To use auto-unlock, also require BitLocker to encrypt the OS drive.
If you don't configure this setting, BitLocker doesn't require users to put fixed data drives under protection. - I think this is it

If you disable this setting, users can't put their fixed data drives under BitLocker protection. If you disable this policy after BitLocker encrypts fixed data drives, BitLocker decrypts the fixed data drives.

[anyweb]

great, looks like you've solved it !