diff --git a/windows/security/identity-protection/credential-guard/credential-guard-requirements.md b/windows/security/identity-protection/credential-guard/credential-guard-requirements.md
index 25d125585e..cdf9c3ec9a 100644
--- a/windows/security/identity-protection/credential-guard/credential-guard-requirements.md
+++ b/windows/security/identity-protection/credential-guard/credential-guard-requirements.md
@@ -98,7 +98,7 @@ The following tables describe baseline protections, plus protections for improve
| Hardware: **Trusted Platform Module (TPM)** | **Requirement**: TPM 1.2 or TPM 2.0, either discrete or firmware.
[TPM recommendations](https://technet.microsoft.com/itpro/windows/keep-secure/tpm-recommendations) | A TPM provides protection for VBS encryption keys that are stored in the firmware. This helps protect against attacks involving a physically present user with BIOS access. |
| Firmware: **UEFI firmware version 2.3.1.c or higher with UEFI Secure Boot** | **Requirements**: See the following Windows Hardware Compatibility Program requirement: [System.Fundamentals.Firmware.UEFISecureBoot](https://msdn.microsoft.com/library/windows/hardware/dn932805.aspx#system-fundamentals-firmware-uefisecureboot)| UEFI Secure Boot helps ensure that the device boots only authorized code. This can prevent boot kits and root kits from installing and persisting across reboots. |
| Firmware: **Secure firmware update process** | **Requirements**: UEFI firmware must support secure firmware update found under the following Windows Hardware Compatibility Program requirement: [System.Fundamentals.Firmware.UEFISecureBoot](https://msdn.microsoft.com/library/windows/hardware/dn932805.aspx#system-fundamentals-firmware-uefisecureboot).| UEFI firmware just like software can have security vulnerabilities that, when found, need to be patched through firmware updates. Patching helps prevent root kits from getting installed. |
-| Software: Qualified **Windows operating system** | **Requirement**: Windows 10 Enterprise, Windows 10 Education, Windows Server 2016, or Windows 10 IoT Enterprise
|Support for VBS and for management features that simplify configuration of Windows Defender Credential Guard. | +| Software: Qualified **Windows operating system** | **Requirement**: Windows 10 or Windows Server 2016.Important:
Windows Server 2016 running as a domain controller does not support Windows Defender Credential Guard.
|Support for VBS and for management features that simplify configuration of Windows Defender Credential Guard. | > [!IMPORTANT] > The following tables list additional qualifications for improved security. We strongly recommend meeting the additional qualifications to significantly strengthen the level of security that Windows Defender Credential Guard can provide.Important:
Windows Server 2016 running as a domain controller does not support Windows Defender Credential Guard.