diff --git a/windows/threat-protection/windows-defender-application-guard/reqs-wd-app-guard.md b/windows/threat-protection/windows-defender-application-guard/reqs-wd-app-guard.md
index a03b3514c2..f726d67b28 100644
--- a/windows/threat-protection/windows-defender-application-guard/reqs-wd-app-guard.md
+++ b/windows/threat-protection/windows-defender-application-guard/reqs-wd-app-guard.md
@@ -25,7 +25,9 @@ Your environment needs the following hardware to run Application Guard.
 |--------|-----------|
 |64-bit CPU|A 64-bit computer is required for hypervisor and virtualization-based security (VBS). For more info about Hyper-V, see [Hyper-V on Windows Server 2016](https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/hyper-v-on-windows-server) or [Introduction to Hyper-V on Windows 10](https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/about/). For more info about hypervisor, see [Hypervisor Specifications](https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs).|
 |CPU virtualization extensions|Extended page tables, also called _Second Level Address Translation (SLAT)_<br><br>**-AND-**<br><br>One of the following virtualization extensions for VBS:<br><br>VT-x (Intel)<br><br>**-OR-**<br><br>AMD-V|
-|Hardware memory|4 GB minimum, 8 GB recommended|
+|IOMMU|Not required but strongly recommended|
+|Hardware memory|8 GB minimum, 16 GB recommended|
+|Harddisk|5 GB free space, SSD recommended|
 
 ## Software requirements
 Your environment needs the following hardware to run Application Guard.
@@ -34,4 +36,4 @@ Your environment needs the following hardware to run Application Guard.
 |--------|-----------|
 |Operating system|Windows 10, Windows Insider Program (Enterprise edition, Build 16188 or later)|
 |Browser|Microsoft Edge and Internet Explorer|
-|Management system|[Microsoft Intune](https://docs.microsoft.com/en-us/intune/)<br><br>**-OR-**<br><br>[System Center Configuration Manager](https://docs.microsoft.com/en-us/sccm/)<br><br>**-OR-**<br><br>[Group Policy](https://technet.microsoft.com/en-us/library/cc753298(v=ws.11).aspx)<br><br>**-OR-**<br><br>Your current company-wide 3rd party mobile device management (MDM) solution. For info about 3rd party MDM solutions, see the documentation that came with your product.|
\ No newline at end of file
+|Management system|[Microsoft Intune](https://docs.microsoft.com/en-us/intune/)<br><br>**-OR-**<br><br>[System Center Configuration Manager](https://docs.microsoft.com/en-us/sccm/)<br><br>**-OR-**<br><br>[Group Policy](https://technet.microsoft.com/en-us/library/cc753298(v=ws.11).aspx)<br><br>**-OR-**<br><br>Your current company-wide 3rd party mobile device management (MDM) solution. For info about 3rd party MDM solutions, see the documentation that came with your product.|