Update disk-encryption-windows.md

Author: jackrichins

articles/virtual-machines/windows/disk-encryption-windows.md

@@ -7,7 +7,7 @@ ms.subservice: security
 ms.collection: windows
 ms.topic: how-to
 ms.author: mbaldwin
-ms.date: 01/03/2024
+ms.date: 05/21/2024
 ms.custom: devx-track-azurepowershell, devx-track-azurecli
 ---
 
@@ -38,6 +38,7 @@ Encrypting or disabling encryption may cause a VM to reboot.
 Azure Disk Encryption does not work for the following scenarios, features, and technology:
 
 - Encrypting basic tier VM or VMs created through the classic VM creation method.
+- All requirements and restrictions of BitLocker, such as requiring NTFS. For more information, see [BitLocker overview](https://learn.microsoft.com/en-us/windows/security/operating-system-security/data-protection/bitlocker/#system-requirements).
 - Encrypting VMs configured with software-based RAID systems.
 - Encrypting VMs configured with Storage Spaces Direct (S2D), or Windows Server versions before 2016 configured with Windows Storage Spaces.
 - Integration with an on-premises key management system.