Trusted launch uses the vTPM to perform remote attestation through the cloud. 0; TPM Enabled BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for variable 'SecureBoot' is missing or invalid. This is because the device does not support it and therefore the device does not in fact pass the test and is essentially simply NOT COMPLIANT. WARNING: BitLocker resealed boot settings to the TPM for volume C:. 馃檪 I have several PC’s that have bitlocker 1. Selecting this generates an audit log entry under 'KeyManagement' activity. May 30, 2022 路 But the problem persists. This policy setting allows you to configure whether Secure Boot will be allowed as the platform integrity provider for BitLocker operating system drives. Nov 26, 2020 路 Bitlocker cannot use Secure Boot for integrity because the UEFI variable 'secureboot' could not be read Error: a required privilege is not held by the client. Toggle the Secure Boot setting to enabled and attempt to boot the machine and check. The signature contained in the EFI_SIGNATURE_DATA structure from the OS authority event could not be found in the verified certificate chain for the boot loader. Please advice Out of 20 machines 15 shows succeeded, in which when i verified Succeeded… This post will show you how to enable BitLocker to use secure boot for platform and BCD integrity validation. I had been hesitant enabling Secure Boot because I am just afraid it might cause issues and slow down my laptop's boot time. One potential solution is to verify the PCR validation profile of the TPM and the secure boot state. Save changes and exit. Disable BitLocker, clear TPM, re-enable with secure boot on. Dec 26, 2023 路 If the device being troubleshot is managed by Microsoft Intune, see Enforcing BitLocker policies by using Intune: known issues. If you enable BDE without a TPM, you need to set as a protector, i. just remember to change bios to UEFI afterwards if its not already. The TPM should observe this installation via PCR measurements, and the BitLocker key isn't released. Secure Boot ensures that the PC's pre-boot environment only loads firmware that is digitally signed by authorized software publishers. You'll need to add the PCI Express Root Port # 21 to get this working. This didn't still trigger any auto apply both on Secure Boot enabled and disabled device. If you change the secure boot setting (on to off or vv) though by fiddling with the BIOS settings it will trigger a change that requires your whole 48 digit bitlocker key to be entered so if you want to change it suspend bitlocker and then restart (so you can make your BIOS Mar 17, 2023 路 I faced similar issues when using the new BitLocker encryption profile in Endpoint security. Thanks for taking the time to reply. 834: BitLocker determined that the TCG log is invalid for use of Secure Boot. exe -protectors -get C:. The other is below - I saw this on both machines as well. As part of debugging a grub2 boot menu issue, I went BIOS and disabled "Secure Boot". Now it seems Dell did a BIOS update and changed something. (I know, how can they do this unknowingly) and does not have the recovery key or pin. Mar 27, 2021 路 So i assume if the machine has Secure boot enabled - Silent bitlocker encryption is happening cannot use Secure Boot for integrity because it is disabled Jun 4, 2024 路 From a power off state, power on the system and Press F2 boot into the BIOS setup menu. Each BIOS could have a different name for this. Nov 6, 2023 路 A physically present attacker might attempt to install a bootkit or rootkit-like piece of software into the boot chain in an attempt to steal the BitLocker keys. Verify that it returns the value of True. Mar 17, 2023 路 I faced similar issues when using the new BitLocker encryption profile in Endpoint security. Please advice Out of 20 machines 15 shows succeeded, in which when i verified Succeeded… Dec 5, 2023 路 Open an elevated command prompt, and run the msinfo32 command. BitLocker-API events from eventvwr report that "BitLocker determined that the TCG log is invalid for use of Secure Boot. On both servers (which, btw, boot fine; they do not ask for recovery key): R730xd with BIOS version 2. We also on HP 840 with TPM 1. Jan 25, 2023 路 When running as a group policy startup script (Computer GPO) we get a TPM failure: Bitlocker-API in Event Viewer shows Event ID 812: "Bitlocker cannot use Secure Boot for integrity because the UEFI variable "SecureBoot" could not be read. " Feb 25, 2019 路 The "Require Bitlocker" setting in Intune relies on the Device Health Attestation (DHA) service in Windows 10 to report the state of Bitlocker encryption on the computer. Users need to suspend BitLocker for Non-Microsoft software updates, such as: Updates to UEFI\BIOS firmware, installation of additional UEFI drivers, or UEFI applications without using the Windows update Select a device from the list, and then under Monitor, select Recovery keys. It is indeed: Endpoint Protection Policy. Luckily I had also created a BitLocker policy using the older template couple of months back for a different rollout involving Entra ID devices, so without wasting anymore time I duplicated the policy and modified the new policy to include Hybrid joined devices. 2 or 2. If possible, set it to Disabled. All 3 computers have Event 815, BitLocker-API: `BitLocker cannot use Secure Boot for integrity because the expected TCG Log separator entry is missing or invalid. It cannot use Credential Guard either. If Bitlocker protection is disabled or suspended, DHA will report that the computer is non-compliant with this setting. Aug 1, 2018 路 I appear to have run into an issue where when it comes to MS Intune where even though secure boot has been selected in the BIOS and BitLocker is activated in Windows, Intune does not recognise them as being on and as a result of the policy rejects them from joining. Feb 21, 2018 路 Now Bitlocker can not use PCR 7 (Secure Boot). BitLocker protects against this attack by default. ", also "BitLocker cannot use Secure Boot for integrity because the expected TCG Log separator entry is missing or invalid. I checked the deployment status on Intune console and all everything is good : I checked on my test computer and the Bitlocker isn't install Here are the hardware informations of this computer : TPM : The bios is in UEFI mode : msinfo32 screen capture Apr 30, 2024 路 Check Secure Boot status. Look for a setting for UEFI Secure Boot. PCR 7 Binding Not Possible. In the search bar, type msinfo32 and press enter. Apr 1, 2018 路 We got in a dozen R730xd servers last year that I am now encrypting with BitLocker. Sep 12, 2018 路 5. It seems that every time there’s something wrong with Intune/Endpoint and you raise a ticket it just leads down the never ending rabbit whole of support and it’s impossible to get a useful answer. On the right-side of the screen, look at BIOS Mode and Secure Boot State. This post is part of our Microsoft 70-744 Securing Jul 11, 2018 路 Can anyone help me decipher what this event log message means: BitLocker cannot use Secure Boot for integrity because the required UEFI variable ‘PK’ is not present. In System Summary, verify that BIOS Mode is UEFI, and PCR7 Configuration is Bound. Mar 17, 2023 路 Does this mean that we need to create local GPO on top of the Intune BitLocker policy that was already successfully push to the device? Microsoft. WARNING: BitLocker cannot use Secure Boot for integrity because the TCG Log entry for the OS Loader Authority is invalid. " Apr 17, 2024 路 Error: BitLocker cannot use Secure Boot for integrity because it is disabled. Reply. Image is no longer available. 6. Event ID 796- Bit locker drive encryption is using a software based encryption to protect vol c: not sure if chasing these is a redherring but I am currently chasing them. Apr 1, 2018 路 R730xd, BitLocker, Secure Boot, PCR7 issue. dont know why. Examining the BitLocker-API log will help you identify which prerequisite is not satisfied. We have absolutely no key, not even on the one drive Mar 17, 2023 路 To verify the secure boot state, use the System Information application by following these steps: Select Start, and enter msinfo32 in the Search box. 3. BitLocker cannot use Secure Boot for integrity because the expected TCG Log separator entry is missing or invalid. This option is usually in either the Security tab, the Boot tab, or the Authentication tab. BitLocker cannot use Secure Boot for integrity because the TCG Log entry for the OS Loader Authority is invalid. Describes a behavior that a Windows 10 device that has secure boot enabled is displayed as Not Compliant in Intune. 6. use a password. The DHA service only checks the Bitlocker state at boot Jan 17, 2024 路 So i assume if the machine has Secure boot enabled - Silent bitlocker encryption is happening cannot use Secure Boot for integrity because it is disabled So i assume if the machine has Secure boot enabled - Silent bitlocker encryption is happening cannot use Secure Boot for integrity because it is disabled May 23, 2019 路 The data driver specified is not set to automatically unlock on the current computer and cannot be unlocked automatically. For us, this was because the workstations had older TPMs or no TPM. Click Turn off BitLocker. The Device Health Attestation DHA-Service provides information to Intune about the health of the device. Verify that the drive is protected by PCR 7. If Bios Mode shows UEFI, and Secure Boot State shows Off, then Secure Boot is disabled. I just can't explain why Device Encryption is available on one of the computer considering the message in System Information, but it does, and it is activated and as Mar 27, 2021 路 Hi All, I have created a device configuration policy for Bitlocker and deployed to 20 users. We are enabling encryption through BitDefender but this is the first ever actually had to dabble with Bitlocker in Windows. Oct 12, 2018 路 Hi, So one of our clients had unknowingly enabled bitlocker on some of their devices. When the laptop boots up now, it asks for a recovery key because Secure Boot Policy has unexpectedly changed. Select System Summary. " Nov 13, 2023 路 BitLocker, code integrity, and Secure Boot compliance all rely on the DHA CSP, the interaction of the device with the MDM provider (Intune, in this case), and the DHA service hosted in Azure. To verify the secure boot state, use the System Information application by following these steps: Select Start, and enter msinfo32 in the Search box. ), and 834 in event viewer (bitlocker API) but those have led me to no helpful troubleshooting. BitLocker determined that the TCG log is invalid for use of Secure Boot. Dec 5, 2023 路 This article expains a scenario where a Windows 10 device with secure boot enabled is shown as Not Compliant in Microsoft Intune. Disable BitLocker, then re-enable with secure boot on. " On the X1E, I imported that reg key but BitLocker never kicked in, same issue. MSc” and press Enter. I am working on it right now to figure that out. These are the keywords to look for: UEFI, Secure Boot, Legacy Boot. Click Turn off BitLocker when prompted to confirm. 2. Step 2: You can remove Auto-unlock for data drive from your data drive. The EFI_SIGNATURE_DATA structure contained in the OS authority event could not be found in the Secure Boot 'db' signature database Mar 17, 2023 路 I faced similar issues when using the new BitLocker encryption profile in Endpoint security. I can see some status are weird and unable to understand the same. Feb 28, 2021 路 Virtualization-based security Not enabled. Choose " Advance Boot options " and disable " Enable Legacy Operation ROMs " then press " Apply " on the right-down corner Jan 26, 2022 路 Incident: I was fiddling around in the UEFI Settings and changed the Secure Boot option. The filtered TCG log for PCR [7] is included in this event. You can have it on or off as you wish. I have upgraded to RS4, but the issue still persists. 5. I have tried clearing TPM. combine steps 2 and 3. Open the TPM snap-in and clear the TPM manually. earthworming • 5 yr. yeah. 835: BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for the OS Loader Authority has invalid structure. Choose " Boot sequence " and change the option from " Legacy " to " UEFI " then press " Apply " on the right-down corner ( Figure 2 ). After encryption is completed, the device will show as Compliant. Jun 27, 2020 路 Using a Thinkpad P43s laptop. Mar 27, 2021 路 Hi All, I have created a device configuration policy for Bitlocker and deployed to 20 users. Note. Jun 3, 2024 路 Click Start and type manage bitlocker in the search box, then press Enter to open the Manage BitLocker Console. exe but it refuses because Windows license is home edition. Jul 16, 2023 路 TPM PCR7 binding fails due to firmware breaking TCG spec. The filtered TCG log for PCR[7] is included in this event. Apr 21, 2021 路 Once you have a command prompt, use the following command to check the BitLocker status of the C: drive: manage-bde -status c: If the status is returned as locked, you’ll need to use the following command to unlock it using your recovery password: manage-bde -unlock c: -rp <your 48-digit recovery password>. BIOS updates delivered via Windows update does not (should not) trigger BitLocker. For the sake of it, I tried to (re)create my BitLocker policy using the ‘old’ Endpoint protection policies, and that worked immediately. Also I do not use intune. Secure Boot requires a system that meets the UEFI 2. Mar 22, 2023 路 BitLocker determined that the TCG log is invalid for use of Secure Boot. . Secure Boot also provides more flexibility for managing pre-boot configuration than legacy BitLocker integrity checks. manage-bde -protectors -get c: This shows that PCR 7 is NOT in use / Even though the secure boot is enabled. The event is expected to be an EV_EFI_VARIABLE_AUTHORITY event. Might be something related to Secure Boot or UEFI. Mar 29, 2021 路 The laptop throws the following errors: Event 834, BitLocker-API BitLocker determined that the TCG Log is invalid for use of Secure Boot. DHA is a reporting service that considers the conditions of OS boot which is used to prepare a report. Windows will automatically suspend it. System Information opens. The problem is at the 20%. Secondly, if I reinstall Windows 10 using my bootable USB flash drive, will I have to disable Secure Boot temporarily before installing Windows 10 from the flash drive? Jun 23, 2021 路 System fires lots of Event ID 813 in the Event Viewer regarding "BitLocker cannot use Secure Boot for integrity because the exptected TCG Log entry for variable "SecureBoot" is missing or invalid. 20. INFOMATION: BitLocker determined that the TCG log is invalid for use of Secure Boot. Source: created program to unlock LUKS drives using TPM. On both servers (which, btw, boot fine; they do not ask for recovery key): BitLocker cannot use Secure Boot for integrity because the TCG Log entry for the OS Loader Authority is invalid. During the boot process BitLocker will check that the security sensitive boot configuration data (BCD) settings have not been changed since BitLocker was enabled, recovered, or resumed. OS Optimized tested with Dec 5, 2023 路 The issue occurs when encryption isn't finished. Sep 3, 2021 路 Hello, I’ve deployed bitlocker at my company and 80% was encrypted sucessfully. manage-bde -protectors c: -delete -t tpm. 0, if the BIOS or UEFI firmware has the ability to read from a USB flash drive in the boot environment. 2, received the policy of bitlocker, have UEFI, but doesn’t encrypt. C: was not encrypted. Some info has been redacted. Oct 19, 2014 路 Been digging a bit in the logs and found the BitLocker-API log where it says Event 810 BitLocker cannot use Secure boot for integrity because it is disabled. The following DMA (Direct Memory Access) capable devices are not declared as protected from external access, which can block security features such as BitLocker automatic device encryption: Mar 22, 2023 路 BitLocker determined that the TCG log is invalid for use of Secure Boot. BitLocker may notice TPM values changed and update on next password entry. Event 811: BitLocker cannot use Secure Boot for integrity because the required UEFI variable 'PK' is not present. I also noticed TPM 2. Press “Windows key + R” on the keyboard, and type “Services. Hyper-V - VM Monitor Mode Extensions Yes. 7. Tried changing the settings in the bios but there doesn't seem to change anything. Oct 17, 2023 路 I do get events 815 (BitLocker cannot use Secure Boot for integrity because the expected TCG Log separator entry is missing or invalid. Hit Show Recovery Key. I went through Device Manager and matched up the components' hardware ID's and noticed one missing from the list that could be added. I've done two servers' C:\ drives and got the same problem - BitLocker says it is not using Secure Boot for integrity because issue with PCR7. The most common issues are: TPM is not present; WinRE is not enabled; UEFI BIOS is not enabled for TPM 2 I am in the process of migrating a number of Dell machines from Windows 7 to Windows 10. However we have noticed that in the BitLocker-API event log we are getting the following two entries reporting that Secure Boot is unavailable. Then, you need everytime when you startup the system to put the usb drive in. Googling the message isn;t too helpful. " Which prevents from reporting the Secure Boot status correctly to MDM solutions such as Intune. In the end, this isn't a huge deal. You have to configure the BDE over domain group policies or local group policies. 0 is enabled in the BIOS (I have not changed any settings). I get to a screen asking for a key for Bitlocker recovery. Based on factors such as the disk size, number of files, and BitLocker settings, encryption can take a long time. Secure Boot State is 'On' in msinfo32 for both machines. May 18, 2022 路 BitLocker cannot use Secure Boot for integrity because the signature of the boot loader could not be validated as a Windows signature chained to a trusted Microsoft root certificate. May 19, 2020 路 Simply means that Windows itself can’t report back to the Intune agent for Code integrity, BitLocker or Secure Boot. Nov 6, 2023 路 BitLocker Event ID 812: This error typically occurs when BitLocker cannot use Secure Boot for integrity because the UEFI variable ‘SecureBoot’ could not be read. I tried adding PIN or simple password using manage-bde. Once the service is “stopped” you may click on “start”. Oct 25, 2018 路 Step 1: Check the services. MS Documentation. Updated to lastest BIOS version (01. " "BitLocker determined that the TCG log is invalid for use of Secure Boot. I meet a problem with the automatic deployment of BitLocker. Every possible firmware update, patch, driver, etc. BitLocker Recovery Key. In the EventLog I get this message: quote: BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for the OS Loader Authority is invalid. Event ID 858: Recovery Password Rotation failed. May 11, 2019 路 Depending on the BIOS manufacturer this page could be BOOT, ADVANCED, STARTUP, etc. 1. Secure Boot also provides more flexibility May 25, 2022 路 It cant use Secure boot as integrity validation (PCR profile 7 and 11). Event 835, BitLocker-API BitLocker Cannot use Secure Boot for integrity because the expected TCG Log entry for the OS Loader Authority has invalid Aug 10, 2017 路 You don't need secure boot. 03-25-2023 06:03 PM. Device Encryption Support Reasons for failed automatic device encryption: PCR7 binding is not supported, Hardware Security Test Interface failed and device is not Modern Standby, Un-allowed DMA capable bus/device (s) detected. This option isn't secure since it's subject to brute force attacks as there isn't a password lockout logic. 00) Factory If you're using UEFI you have to partition with GPT not MBR. All of the machines are getting a full re-install and we are enabling UEFI Boot and Secure Boot at the same time. Mar 16, 2023 路 On the device itself I am getting some bitlocker events, 834 and 813: BitLocker determined that the TCG log is invalid for use of Secure Boot. Double click on the “Bit locker Encryption” and click on stop. Mar 21, 2023 路 2: Verify the secure boot state. manage-bde -protectors c: -add -tpm. 1 Specifications for Class 2 and Class Dec 14, 2016 路 BitLocker and Secure Boot questions. If BitLocker doesn't start or can't encrypt a drive and errors or events that are related to the TPM are occurring, see BitLocker cannot encrypt a drive: known TPM issues. 2 (not supported to uprgade to 2. I've switched off the enabled one, and after logging back in I've received. Every time I boot, it asks me for the long recovery key which is not ideal. This was fixed by checking that Secure Boot is active in the bios and set to User Mode (and not Setup mode). Oct 10, 2018 路 Yes, you can enable BitLocker on an operating system drive without a TPM version 1. Mar 11, 2020 路 Event 810 Bit Locker cannot use secure boot for integrity because it is disabled-----I enabled it no change to being able to enable it. The event data must be formatted as an EFI_VARIABLE_DATA structure with VariableName set to EFI_IMAGE_SECURITY_DATABASEGUID and UnicodeName set to Apr 18, 2017 路 0. " I see these in the event log when I try to enable Bitlocker. Dec 5, 2023 路 When BitLocker fails to enable on a Windows 10 device using an Intune policy, in most cases, the hardware or software prerequisites are not in place. So it seems that the problem with Credential Guard is related to the Bitlocker issue. A real shame because on the whole it works really well. a usb dongle (usb drive). Trusted launch provides your VM with its own dedicated TPM instance, running in a secure environment outside the reach of any VM. From Windows, hold the Shift key while selecting Restart. gotta be on GPT or you'll get lots of bitlocker recovery screens. What have I done on a testing pc: Turned on Secure boot; Upgraded the firmware (BIOS); Checked the logs from MBAM which said it received the policies of bitlocker Sep 9, 2022 路 BitLocker cannot use Secure Boot for integrity because the TCG Log entry for the OS Loader Authority is invalid. No, BDE doesn't need Secure Boot or UEFI. I have tried to enable Secure Boot again from BIOS, but I still get to the same Bitlocker message. The vTPM enables attestation by measuring the entire boot chain of your VM (UEFI, OS, system, and drivers). Go to Troubleshoot > Advanced Options: UEFI Firmware Settings. Oct 3, 2017 路 "BitLocker cannot use Secure Boot for integrity because the expected TCG Log separator entry is missing or invalid. ago. Event ID 813: BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for variable 'SecureBoot' is missing or invalid. 3. Symptom You create a compliance policy for Windows 10 devices in Intune. Information. After restarting the Laptop, Bitlocker turned on (I forgot to disable it, before changing stuff in the UEFI) Now my problem is, I didn't back up my Bitlocker recovery key (or password) anywhere, because I didn't think about Bitlocker. Jul 19, 2022 路 Let’s check the Intune Device Health Attestation Report from the Intune, aka Endpoint Manager portal. 4. is as up-to-date as it can be. But for some reason, TPM is not working. This is because BitLocker will not unlock the protected drive until BitLocker's own volume master key is first released by either the computer's TPM or . Both are by design. ` in Event Viewer. Sep 9, 2022 路 It didn't, so I ran the following: Copy. 0), get the bitlocker 3rd party drive encryption, even if the MDM policy is set to block on the device. I would rather use the "Require BitLocker" setting rather than the generic "Require Encryption" and "Require TPM" settings, but that (or a custom policy) may be the way to go since a good chunk of desktop PCs in our environment are not encrypted and have their TPM disabled. We got in a dozen R730xd servers last year that I am now encrypting with BitLocker. BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for variable 'SecureBoot' is missing or invalid. When keys are available in Microsoft Entra, the following information is available: BitLocker Key ID. After fixing my grub2 boot menu problem, I can no longer boot Windows 10. Find the Secure Boot setting in your BIOS menu. e. "mbr2gpt /convert /allowfullos" works for a quick conversion. Allow the computer to fully decrypt the hard drive. Describes an issue in which a BitLocker-encrypted Windows 10 device shows as Not compliant in Intune because Updates to UEFI\BIOS firmware, installation of additional UEFI drivers, or UEFI applications without using the Windows update mechanism (only if BitLocker doesn't use Secure Boot for integrity validation during updates) BitLocker can be checked if it uses Secure Boot for integrity validation with the command line manage-bde. I prefixed with Lenovo below. As such, the password option is discouraged and disabled by default; Both options don't provide the preboot system integrity verification offered by BitLocker with a TPM. Verify that the Secure Boot State setting is On, as follows: If the Secure Boot State setting is Unsupported, Silent BitLocker Encryption can't be used on the device. If BitLocker doesn't start or can't encrypt a Dec 14, 2022 路 Troubleshooting sent me in various directions, but most articles on the subject suggested to verify if Secure Boot is enabled. Feb 11, 2024 路 "BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for the OS Loader Authority has invalid structure. To check the status of Secure Boot on your PC: Go to Start. qv lh xr sd dv sx hb bf kc er