diff --git a/windows/security/identity-protection/credential-guard/credential-guard-manage.md b/windows/security/identity-protection/credential-guard/credential-guard-manage.md
index 1fe70db10d..1090a6ac0a 100644
--- a/windows/security/identity-protection/credential-guard/credential-guard-manage.md
+++ b/windows/security/identity-protection/credential-guard/credential-guard-manage.md
@@ -114,6 +114,9 @@ You can also enable Windows Defender Credential Guard by using the [Windows Defe
 ```
 DG_Readiness_Tool_v3.5.ps1 -Enable -AutoReboot
 ```
+> [!IMPORTANT]
+> When running the Windows Defender Device Guard and Windows Defender Credential Guard hardware readiness tool on a non-English operating system, within the script, change `*$OSArch = $(gwmi win32_operatingsystem).OSArchitecture` to be `$OSAch = $((gwmi win32_operatingsystem).OSArchitecture).tolower()` instead, in order for the tool to work. 
+> This is a known issue.
 
 ### Review Windows Defender Credential Guard performance
 
@@ -134,6 +137,9 @@ You can also check that Windows Defender Credential Guard is running by using th
 ```
 DG_Readiness_Tool_v3.5.ps1 -Ready
 ```
+> [!IMPORTANT]
+> When running the Windows Defender Device Guard and Windows Defender Credential Guard hardware readiness tool on a non-English operating system, within the script, change `*$OSArch = $(gwmi win32_operatingsystem).OSArchitecture` to be `$OSAch = $((gwmi win32_operatingsystem).OSArchitecture).tolower()` instead, in order for the tool to work. 
+> This is a known issue.
 
 > [!NOTE]
 > For client machines that are running Windows 10 1703, LsaIso.exe is running whenever virtualization-based security is enabled for other features.
@@ -201,6 +207,9 @@ You can also disable Windows Defender Credential Guard by using the [Windows Def
 ```
 DG_Readiness_Tool_v3.6.ps1 -Disable -AutoReboot
 ```
+> [!IMPORTANT]
+> When running the Windows Defender Device Guard and Windows Defender Credential Guard hardware readiness tool on a non-English operating system, within the script, change `*$OSArch = $(gwmi win32_operatingsystem).OSArchitecture` to be `$OSAch = $((gwmi win32_operatingsystem).OSArchitecture).tolower()` instead, in order for the tool to work. 
+> This is a known issue.
 
 #### Disable Windows Defender Credential Guard for a virtual machine