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@ -49,7 +49,7 @@ After Windows 7 was released, several other areas of BitLocker were improved:
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- Windows PowerShell
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- Windows PowerShell
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- Windows Management Interface (WMI)
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- Windows Management Interface (WMI)
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- **Integration with Azure Active Directory**. BitLocker can store keys in Azure AD, which makes them easier to recover.
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- **Integration with Azure Active Directory** (Azure AD). BitLocker can store keys in Azure AD, which makes them easier to recover.
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- **[Direct memory access (DMA) port protection](https://docs.microsoft.com/windows/security/information-protection/kernel-dma-protection-for-thunderbolt)**. By using MDM policies to manage BitLocker, you can block a device's DMA ports and secure the device during its startup.
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- **[Direct memory access (DMA) port protection](https://docs.microsoft.com/windows/security/information-protection/kernel-dma-protection-for-thunderbolt)**. By using MDM policies to manage BitLocker, you can block a device's DMA ports and secure the device during its startup.
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@ -61,7 +61,7 @@ After Windows 7 was released, several other areas of BitLocker were improved:
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## Hyper-V Gen 2 VM: Cannot access the volume after BitLocker encryption
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## Hyper-V Gen 2 VM: Cannot access the volume after BitLocker encryption
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1. You turn on BitLocker on a generation-2 virtual machine that runs on Hyper-V.
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1. You turn on BitLocker on a generation-2 virtual machine (VM) that runs on Hyper-V.
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1. You add data to the data disk as it encrypts.
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1. You add data to the data disk as it encrypts.
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1. You restart the virtual machine, and observe the following:
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1. You restart the virtual machine, and observe the following:
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- The system volume is not encrypted.
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- The system volume is not encrypted.
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@ -88,7 +88,7 @@ This issue occurs regardless of any of the following variations in the environme
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- Whether the virtual machines are generation 1 or generation 2.
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- Whether the virtual machines are generation 1 or generation 2.
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- whether the guest operating system is Windows Server 2019, 2016 or 2012 R2.
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- whether the guest operating system is Windows Server 2019, 2016 or 2012 R2.
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In the domain controller Application Event Log, the VSS event source records Event ID 8229:
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In the domain controller Application event log, the VSS event source records event ID 8229:
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> ID: 8229
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> ID: 8229
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> Level: Warning
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> Level: Warning
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@ -111,7 +111,7 @@ In the domain controller Application Event Log, the VSS event source records Eve
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>
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>
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> Process ID: 680
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> Process ID: 680
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In the domain controller Directory Services Event Log, you see an event that resembles the following:
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In the domain controller Directory Services event log, you see an event that resembles the following:
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> Error Microsoft-Windows-ActiveDirectory\_DomainService 1168
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> Error Microsoft-Windows-ActiveDirectory\_DomainService 1168
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> Internal Processing Internal error: An Active Directory Domain Services error has occurred.
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> Internal Processing Internal error: An Active Directory Domain Services error has occurred.
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@ -153,7 +153,7 @@ For more information and recommendations about backing up virtualized domain con
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### More information
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### More information
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When LSASS processes the access request of the VSS NTDS writer, the result is an error that resembles the following:
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When the VSS NTDS writer requests access to the encrypted drive, the Local Security Authority Subsystem Service (LSASS) produces an error that resembles the following:
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```
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```
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\# for hex 0xc0210000 / decimal -1071579136
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\# for hex 0xc0210000 / decimal -1071579136
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