AWS Security ChangesHomeSearch

AWS workspaces medium security documentation change

Service: workspaces · 2025-04-23 · Security-related medium

File: workspaces/latest/adminguide/windows_images_run_byol_checker_script.md

Summary

Updated drive restrictions and added Credential Guard/Memory Integrity guidance

Security assessment

Provides security configuration guidance regarding Credential Guard and Memory Integrity features that impact system security posture.

Diff

diff --git a/workspaces/latest/adminguide/windows_images_run_byol_checker_script.md b/workspaces/latest/adminguide/windows_images_run_byol_checker_script.md
index 10d75ca8f..e7d8a34be 100644
--- a//workspaces/latest/adminguide/windows_images_run_byol_checker_script.md
+++ b//workspaces/latest/adminguide/windows_images_run_byol_checker_script.md
@@ -122 +122 @@ Local disk must have enough space and requires you to free up 20 GB or more.
-Only the C and D drives can be present on a WorkSpace that's used for importing an image. Remove all other drives, including virtual drives.
+Only the C drive can be present on an Amazon Machine Image that is being used for importing BYOL WorkSpace Image. Remove all other drives, including virtual drives.
@@ -233,0 +234,6 @@ If reserved storage is in use, it might not be disabled, and the following error
+The `D:` Drive is a restricted drive letter for WorkSpaces. Please ensure that `D:` is not being used or will not be mapped to during launch of an instance from the image.
+
+The image being imported is not supported by the streaming protocol chosen, see [ Create a BYOL image using the WorkSpaces console](https://docs.aws.amazon.com/workspaces/latest/adminguide/windows_images_create_byol_image_console.html).
+
+Memory Integrity is not supported when Credential Guard is enabled on the Windows operating system of a WorkSpace. Memory Integrity was detected with UEFILock which cannot be disabled during image import. Please import an image with UEFILock disabled, see [Disable Credential Guard](https://learn.microsoft.com/en-us/windows/security/identity-protection/credential-guard/configure?tabs=intune#disable-credential-guard).
+