Understanding the operatingsystemdrive is not protected requires examining multiple perspectives and considerations. Cannot enable BitLocker's auto unlock on system volume. Describes common issues that can occur that prevent BitLocker from behaving as expected when recovering a drive, or may cause BitLocker to start recovery unexpectedly. (Fixed) The Operating System Drive Is Not Protected By Bitlocker Drive ....
Enable Bitlocker auto-unlock without system drive encryption. Indeed, Windows will not allow you to enable auto-unlock on a fixed drive when the system partition is not encrypted (with bitlocker). However, I used a workaround. Turn On or Off Auto-unlock for BitLocker Drive in Windows 11.
This tutorial will show you how to turn on or off auto-unlock for a fixed or removable data drive encrypted by BitLocker for your account in Windows 10 and Windows 11. Data drive specified is not set to automatically unlock BitLocker. Once this BitLocker encryption error occurs, the operating system drive (usually C: drive) will not be encrypted. From another angle, if youβre faced with this issue, you can try our recommended solutions below...

Deny Write Access to Fixed Data Drives not Protected by BitLocker in .... Problem with a Windows 10 computer and MS Intune Bitlocker. Our Primary focus with MS Intune is to ensure that all our windows 10 machines have drive encryption enabled and have Always On VPN enabled. The problem I am having is with drive encryption. The devices are Hybrid Joining AAD and Enrolling in MS intune but Drive encryption is not running.
I have made sure that: Please note: BitLocker cannot encrypt a drive: known issues - Windows Client. This article describes common issues that prevent BitLocker from encrypting a drive. This article also provides guidance to address these issues.

Equally important, conflict in profiles for Bitlocker encryption using configuration .... BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for variable 'SecureBoot' is missing or invalid. When I run manage-bde -status on the device I get: Key Protectors: None Found. Everything in the bios does look correct. UEFI and TPM enabled.
Bitlocker Enryption - Protection Status Off | Microsoft Community Hub. Disabling the policy will not turn off the encryption on the system drive. Moreover, but will stop prompting the user to turn it on.

Equally important, currently only full disk encryption is supported when using this CSP for silent encryption.

π Summary
Knowing about the operating system drive is not protected is important for anyone interested in this subject. The knowledge provided throughout functions as a solid foundation for continued learning.
