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Client event logs

Applies to: Configuration Manager (current branch)

On a Configuration Manager client to which you deploy a BitLocker management policy, use the Windows Event Viewer to view BitLocker client event logs. Go to Applications and Services Logs, Microsoft, Windows, MBAM for both Admin and Operational event logs.

Admin

2: VolumeEnactmentFailed

An error occurred while applying MBAM policies.

Error code: -2144272219

Details: BitLocker Drive Encryption only supports Used Space Only encryption on thin provisioned storage.

This error occurs if you try to use BitLocker to encrypt a virtual machine that's running Windows 10 version 1803 or earlier. Earlier versions of Windows 10 don't support full disk encryption. BitLocker management policies enforce full disk encryption.

Error code: -2147024774

Details: The data area passed to a system call is too small.

To resolve this issue, restart the computer.

4: TransferStatusDataFailed

An error occurred while sending encryption status data.

8: SystemVolumeNotFound

The system volume is missing. SystemVolume is needed to encrypt the operating system drive.

9: TPMNotFound

The TPM hardware is missing. TPM is needed to encrypt the operating system drive with any TPM protector.

10: MachineHWExempted

The computer is exempted from Encryption. Machine's hardware status: Exempted

11: MachineHWUnknown

The computer is exempted from encryption. Machine's hardware status: Unknown

12: HWCheckFailed

Hardware exemption check failed.

13: UserIsExempted

The user is exempt from encryption.

14: UserIsWaiting

The user requested an exemption.

15: UserExemptionCheckFailed

User exemption check failed.

16: UserPostponed

The user postponed the encryption process.

17: TPMInitializationFailed

TPM initialization failed. The user rejected the BIOS changes.

18: CoreServiceDown

Unable to connect to the MBAM Recovery and Hardware service.

Error code: -2147024809

Details: The parameter is incorrect.

This error occurs if the website isn't HTTPS, or the client doesn't have a PKI cert.

20: PolicyMismatch

The BitLocker management policy is in conflict or corrupt.

21: ConflictingOSVolumePolicies

Detected OS volume encryption policies conflict. Check BitLocker policies related to OS drive protectors.

22: ConflictingFDDVolumePolicies

Detected fixed data drive volume encryption policies conflict. Check BitLocker policies related to fixed data drive protectors.

27: EncryptionFailedNoDra

An error occurred while encrypting. A data recovery agent (DRA) protector is required in FIPS mode for pre-Windows 8.1 machines.

34: TpmLockOutResetFailed

Failed to reset TPM lockout.

36: TpmOwnerAuthRetrievalFailed

Failed to retrieve TPM OwnerAuth from MBAM services.

37: WmiProviderDllSearchPathUpdateFailed

Failed to update the DLL search path for WMI provider.

38: TimedOutWaitingForWmiProvider

Agent stopping. Timed-out waiting for MBAM WMI provider instance.

Operational

1: VolumeEnactmentSuccessful

The BitLocker management policies were applied successfully.

3: TransferStatusDataSuccessful

The encryption status data was sent successfully.

19: CoreServiceUp

Successfully connected to the MBAM Recovery and Hardware service.

28: TpmOwnerAuthEscrowed

The TPM OwnerAuth is escrowed.

29: RecoveryKeyEscrowed

The BitLocker recovery key for the volume is escrowed.

30: RecoveryKeyReset

The BitLocker recovery key for the volume is updated.

31: EnforcePolicyDateSet

The enforce policy date...is set for the volume

32: EnforcePolicyDateCleared

The enforce policy date...has been cleared for the volume.

33: TpmLockOutResetSucceeded

Successfully reset TPM lockout.

35: TpmOwnerAuthRetrievalSucceeded

Successfully retrieved TPM OwnerAuth from MBAM services.

39: RemovableDriveMounted

Removable drive was mounted.

40: RemovableDriveDismounted

Removable drive was unmounted.

41: FailedToEnactEndpointUnreachable

Failure to connect to the MBAM Recovery and Hardware service prevented BitLocker management policies from being applied successfully to the volume.

42: FailedToEnactLockedVolume

Locked volume state prevented BitLocker management policies from being applied successfully to the volume.

43: TransferStatusDataFailedEndpointUnreachable

Failure to connect to the MBAM Compliance and Status service prevented the transfer of encryption status data.

See also

For more information on using these logs, see BitLocker event logs.

For more troubleshooting information, see Troubleshoot BitLocker.