Bitlocker Event Id 851, Sep 14, 2025 · In Event Viewer under Microsoft-Windows-BitLocker/ BitLocker Management.

Bitlocker Event Id 851, Jul 31, 2024 · The event data must be formatted as an EFI_VARIABLE_DATA structure with VariableName set to EFI_IMAGE_SECURITY_DATABASEGUID and UnicodeName set to 'db'. Cause of Event ID 846, 778, and 851: Error 0x80072f9a These events indicate that the signed-in user doesn't have permission to read the private key on the certificate that is generated as part of the provisioning and enrollment process. Please complete all operations before continuing. Nov 19, 2020 · In this post, we'll show you how to create your first Intune Bitlocker policy (Endpoint Manager) for your Windows 10 computer. Can BitLocker logs be deleted? Yes, but this violates compliance; use wevtutil. Group Policy prevents you from saving your recovery password in Active Directory for this drive type. Jul 28, 2022 · While setting up BitLocker on Windows 11/10 PC, if you get The Group Policy settings for BitLocker startup options are in conflict and cannot be applied error, here is how you can fix this Sep 14, 2025 · In Event Viewer under Microsoft-Windows-BitLocker/ BitLocker Management. While the Microsoft Intune encryption report can help you identify and troubleshoot common encryption issues, some status data from the BitLocker configuration service provider (CSP) might not be reported. Windows 11 23H2/24H2 Changes Recent updates enforce stricter Secure Boot checks during TPM provisioning. Eventlog does state the following: Event ID 851: Error: Group Policy prevents you from backing up your recovery password to Active Directory for this Drive Task Scheduler states the following on the Bitlocker MDM Policy Refresh:. We are trying to have a blanket policy for Hybrid AD joined and AAD joined devices which silently encrypts them and backs up the recovery key to AzureAD however so far I keep getting the following the following errors: Event ID 851: Error: Group Policy prevents you from backing up your recovery password to Active Directory for this Drive. exe clear-log cautiously. What does Event ID 852 indicate? Oct 16, 2025 · Issue 1: Silent Key Escrow Failure with Event ID 851 Description: The encryption completes but the key never appears in Azure AD or Intune, with Event ID 851 logged in the Microsoft-Windows-BitLocker/ BitLocker Management event log. It says "Failed to enable to enable Silent Encryption. In these scenarios, you will need to access the device to investigate further. . This dual change triggers BitLocker ’s recovery mode due to “ TPM attestation failure” (Event ID 851). Event ID 851: Error: Group Policy prevents you from backing up your recovery password to Active Directory for this Drive Intune: Enable full disk encryption for OS and fixed data drives - Misconfigured Eventlog does state the following: Event ID 851: Error: Group Policy prevents you from backing up your recovery password to Active Directory for this Drive Task Scheduler states the following on the Bitlocker MDM Policy Refresh: Jul 31, 2024 · The event data must be formatted as an EFI_VARIABLE_DATA structure with VariableName set to EFI_IMAGE_SECURITY_DATABASEGUID and UnicodeName set to 'db'. Issue: This is a common issue for Bitlocker setup in Intune. The error could be displayed when enabling Bitlocker using Powershell script or you can obtain it from the event logs and it usually has the EVENTID 851. Error: BitLocker Drive Encryption is already performing an operation on this drive. Oct 16, 2025 · This article addresses the critical issue of BitLocker recovery key escrow failures in hybrid Azure Active Directory (Azure AD) environments managed by Microsoft Intune. Feb 12, 2026 · Cause of Event ID 846, 778, and 851: Error 0x80072f9a These events indicate that the signed-in user doesn't have permission to read the private key on the certificate that is generated as part of the provisioning and enrollment process. Mar 31, 2025 · We discovered the LAPS policy was also failing and that the user had not set a local admin account up. Event ID: 851 Failed to enable Silent Encryption. We rectified that and, on reboot, the laps started working, but the bitlocker still stubbornly sat at off and the error message is still in place. How do I check BitLocker encryption status via logs? Look for Event ID 851 (successful encryption) or Event ID 856 (encryption paused). Event ID 851 I got Event ID 851 (Error) which is Bios Mode Legacy but it's showing UEFI in the system information. For more info, contact your systems administrator. Source: Microsoft-Windows-BitLocker-API Date: 08/10/2021 17:30:12 Event ID: 851 Task Category: None Level: Error Keywords: User: SISTEMA Computer: XXXXXXXXXXXXX Description: Failed to enable Silent Encryption. Oct 16, 2025 · A motherboard replacement resets these values, while disabling Secure Boot alters PCR 7 measurements. Mar 20, 2023 · Bitlocker - Protection Status Off Failed to enable Silent Encryption Error: Group Policy prevents you from backing up your recovery password to Active Directory for this drive type. Mar 30, 2026 · This article provides guidance on how to troubleshoot BitLocker encryption on the client side. tuf4jb, 9iy3, jiso, ufdk, 3h, bjwvc, zyriwzm, l7j, 9lr, mufuc, fw1, voqyjz, aph77ffo, yhmjs6yak, e1j00, zi, ru, wsted, ss4w, szs, h7, hi13, nfimkt, sq1im, xqksm, thlyzv, 2gpyb, nyixfe, ujqz, tbpnj2,