Merge pull request #405 from rayne-wiselman/rayne-defender-may12

updating mde version info

Author: rayne-wiselman

exposure-management/classify-critical-assets.md

@@ -21,6 +21,15 @@ Security Exposure Management is currently in public preview.
 
 - Before you start, learn about [critical asset management](critical-asset-management.md) in Security Exposure Management.
 - [Review required permissions](prerequisites.md#permissions) for working with the critical assets.
+- When classifying critical assets, we support devices running version 10.3740.XXXX of the Defender for Endpoint sensor or later. We recommended running a more recent sensor version, as listed on the Defender for Endpoint [What's New page](/defender-endpoint/windows-whatsnew).
+
+    You can check which sensor version a device is running as follows:
+
+    - On a specific device, browse to the MsSense.exe file in
+C:\Program Files\Windows Defender Advanced Threat Protection. Right-click the file, and select **Properties**. On the **Details** tab, check the file version.
+    - For multiple devices, it's easier to run an [advanced hunting Kusto query](/defender-xdr/advanced-hunting-query-language) to check device sensor versions, as follows:
+
+        ``` DeviceInfo | project DeviceName, ClientVersion ```
 
 
 ## Review critical assets

exposure-management/prerequisites.md

@@ -62,6 +62,22 @@ Permission levels are summarized in the table.
 
 You can access Security Exposure Management in the Microsoft Defender portal using Microsoft Edge, Internet Explorer 11, or any HTML 5 compliant web browser.
 
+## Critical asset classification
+
+- Before you start, learn about [critical asset management](critical-asset-management.md) in Security Exposure Management.
+- [Review required permissions](prerequisites.md#permissions) for working with the critical assets.
+- When classifying critical assets, we support devices running version 10.3740.XXXX of the Defender for Endpoint sensor or later. We recommended running a more recent sensor version, as listed on the Defender for Endpoint [What's New page](/defender-endpoint/windows-whatsnew).
+
+    You can check which sensor version a device is running as follows:
+
+    - On a specific device, browse to the MsSense.exe file in
+C:\Program Files\Windows Defender Advanced Threat Protection. Right-click the file, and select **Properties**. On the **Details** tab, check the file version.
+    - For multiple devices, it's easier to run an [advanced hunting Kusto query](/defender-xdr/advanced-hunting-query-language) to check device sensor versions, as follows:
+
+        ``` DeviceInfo | project DeviceName, ClientVersion ```
+
+
+
 ## Getting support
 
 To get support, select the Help question mark icon in the Microsoft Security toolbar.