diff --git a/windows/client-management/mdm/TOC.md b/windows/client-management/mdm/TOC.md
index a7fbff363b..b448f03859 100644
--- a/windows/client-management/mdm/TOC.md
+++ b/windows/client-management/mdm/TOC.md
@@ -257,6 +257,7 @@
#### [LockDown](policy-csp-lockdown.md)
#### [Maps](policy-csp-maps.md)
#### [Messaging](policy-csp-messaging.md)
+#### [MixedReality](policy-csp-mixedreality.md)
#### [MSSecurityGuide](policy-csp-mssecurityguide.md)
#### [MSSLegacy](policy-csp-msslegacy.md)
#### [NetworkIsolation](policy-csp-networkisolation.md)
diff --git a/windows/client-management/mdm/policy-configuration-service-provider.md b/windows/client-management/mdm/policy-configuration-service-provider.md
index 0349f6cde6..312f7f6ed5 100644
--- a/windows/client-management/mdm/policy-configuration-service-provider.md
+++ b/windows/client-management/mdm/policy-configuration-service-provider.md
@@ -3352,6 +3352,29 @@ The following diagram shows the Policy configuration service provider in tree fo
+### MixedReality policies
+
+
+ -
+ MixedReality/AADGroupMembershipCacheValidityInDays
+
+ -
+ MixedReality/BrightnessButtonDisabled
+
+ -
+ MixedReality/FallbackDiagnostics
+
+ -
+ MixedReality/HeadTrackingMode
+
+ -
+ MixedReality/MicrophoneDisabled
+
+ -
+ MixedReality/VolumeButtonDisabled
+
+
+
### MSSecurityGuide policies
diff --git a/windows/client-management/mdm/policy-csp-mixedreality.md b/windows/client-management/mdm/policy-csp-mixedreality.md
new file mode 100644
index 0000000000..e6bff466a1
--- /dev/null
+++ b/windows/client-management/mdm/policy-csp-mixedreality.md
@@ -0,0 +1,497 @@
+---
+title: Policy CSP - MixedReality
+description: Policy CSP - MixedReality
+ms.author: dansimp
+ms.localizationpriority: medium
+ms.topic: article
+ms.prod: w10
+ms.technology: windows
+author: manikadhiman
+ms.date: 10/06/2020
+ms.reviewer:
+manager: dansimp
+---
+
+# Policy CSP - MixedReality
+
+
+
+
+
+
+## MixedReality policies
+
+
+ -
+ MixedReality/AADGroupMembershipCacheValidityInDays
+
+ -
+ MixedReality/BrightnessButtonDisabled
+
+ -
+ MixedReality/FallbackDiagnostics
+
+ -
+ MixedReality/HeadTrackingMode
+
+ -
+ MixedReality/MicrophoneDisabled
+
+ -
+ MixedReality/VolumeButtonDisabled
+
+
+
+
+
+
+
+**MixedReality/AADGroupMembershipCacheValidityInDays**
+
+
+
+
+ Windows Edition |
+ Supported? |
+
+
+ Home |
+  |
+
+
+ Pro |
+  |
+
+
+ Business |
+  |
+
+
+ Enterprise |
+  |
+
+
+ Education |
+  |
+
+
+ HoloLens (1st gen) Development Edition |
+  |
+
+
+ HoloLens (1st gen) Commercial Suite |
+  |
+
+
+ HoloLens 2 |
+ 9 |
+
+
+
+
+
+
+
+[Scope](./policy-configuration-service-provider.md#policy-scope):
+
+> [!div class = "checklist"]
+> * Device
+
+
+
+
+
+This policy setting controls for how many days, AAD group membership cache is allowed to be used for Assigned Access configurations targeting AAD groups for signed in user. Once this policy setting is set only then cache is used otherwise not. In order for this policy setting to take effect, user must sign-out and sign-in with Internet available at least once before the cache can be used for subsequent "disconnected" sessions.
+
+
+
+
+
+
+
+Supported values are 0-60. The default value is 0 (day) and maximum value is 60 (days).
+
+
+
+
+
+
+**MixedReality/BrightnessButtonDisabled**
+
+
+
+
+ Windows Edition |
+ Supported? |
+
+
+ Home |
+  |
+
+
+ Pro |
+  |
+
+
+ Business |
+  |
+
+
+ Enterprise |
+  |
+
+
+ Education |
+  |
+
+
+ HoloLens (1st gen) Development Edition |
+  |
+
+
+ HoloLens (1st gen) Commercial Suite |
+  |
+
+
+ HoloLens 2 |
+ 9 |
+
+
+
+
+
+
+
+[Scope](./policy-configuration-service-provider.md#policy-scope):
+
+> [!div class = "checklist"]
+> * Device
+
+
+
+
+
+This policy setting controls if pressing the brightness button changes the brightness or not. It only impacts brightness on Hololens and not the functionality of the button when it is used with other buttons as combination for other purposes.
+
+
+
+
+
+
+
+The following list shows the supported values:
+
+- 0 - False (Default)
+- 1 - True
+
+
+
+
+
+
+**MixedReality/FallbackDiagnostics**
+
+
+
+
+ Windows Edition |
+ Supported? |
+
+
+ Home |
+  |
+
+
+ Pro |
+  |
+
+
+ Business |
+  |
+
+
+ Enterprise |
+  |
+
+
+ Education |
+  |
+
+
+ HoloLens (1st gen) Development Edition |
+  |
+
+
+ HoloLens (1st gen) Commercial Suite |
+  |
+
+
+ HoloLens 2 |
+ 9 |
+
+
+
+
+
+
+
+[Scope](./policy-configuration-service-provider.md#policy-scope):
+
+> [!div class = "checklist"]
+> * Device
+
+
+
+
+
+This policy setting controls when and if diagnostic logs can be collected using specific button combination on Hololens.
+
+
+
+
+
+
+
+The following list shows the supported values:
+
+- 0 - Disabled
+- 1 - Enabled for device owners
+- 2 - Enabled for all (Default)
+
+
+
+
+
+
+**MixedReality/HeadTrackingMode**
+
+
+
+
+ Windows Edition |
+ Supported? |
+
+
+ Home |
+  |
+
+
+ Pro |
+  |
+
+
+ Business |
+  |
+
+
+ Enterprise |
+  |
+
+
+ Education |
+  |
+
+
+ HoloLens (1st gen) Development Edition |
+  |
+
+
+ HoloLens (1st gen) Commercial Suite |
+  |
+
+
+ HoloLens 2 |
+ 9 |
+
+
+
+
+
+
+
+[Scope](./policy-configuration-service-provider.md#policy-scope):
+
+> [!div class = "checklist"]
+> * Device
+
+
+
+
+
+This policy setting configures behavior of HUP to determine which algorithm to use for head tracking. It requires a reboot for the policy to take effect.
+
+
+
+
+
+
+
+The following list shows the supported values:
+
+- 0 - Feature. Default feature based/SLAM based tracker (Default)
+- 1 - Constellation. LR constellation based tracker
+
+
+
+
+
+
+**MixedReality/MicrophoneDisabled**
+
+
+
+
+ Windows Edition |
+ Supported? |
+
+
+ Home |
+  |
+
+
+ Pro |
+  |
+
+
+ Business |
+  |
+
+
+ Enterprise |
+  |
+
+
+ Education |
+  |
+
+
+ HoloLens (1st gen) Development Edition |
+  |
+
+
+ HoloLens (1st gen) Commercial Suite |
+  |
+
+
+ HoloLens 2 |
+ 9 |
+
+
+
+
+
+
+
+[Scope](./policy-configuration-service-provider.md#policy-scope):
+
+> [!div class = "checklist"]
+> * Device
+
+
+
+
+
+This policy setting controls whether microphone on HoloLens 2 is disabled or not.
+
+
+
+
+
+
+
+The following list shows the supported values:
+
+- 0 - False (Default)
+- 1 - True
+
+
+
+
+
+
+**MixedReality/VolumeButtonDisabled**
+
+
+
+
+ Windows Edition |
+ Supported? |
+
+
+ Home |
+  |
+
+
+ Pro |
+  |
+
+
+ Business |
+  |
+
+
+ Enterprise |
+  |
+
+
+ Education |
+  |
+
+
+ HoloLens (1st gen) Development Edition |
+  |
+
+
+ HoloLens (1st gen) Commercial Suite |
+  |
+
+
+ HoloLens 2 |
+ 9 |
+
+
+
+
+
+
+
+[Scope](./policy-configuration-service-provider.md#policy-scope):
+
+> [!div class = "checklist"]
+> * Device
+
+
+
+
+
+This policy setting controls if pressing the volume button changes the volume or not. It only impacts volume on HoloLens and not the functionality of the button when it is used with other buttons as combination for other purposes.
+
+
+
+
+
+
+
+The following list shows the supported values:
+
+- 0 - False (Default)
+- 1 - True
+
+
+
+
+
+Footnotes:
+
+- 1 - Available in Windows 10, version 1607.
+- 2 - Available in Windows 10, version 1703.
+- 3 - Available in Windows 10, version 1709.
+- 4 - Available in Windows 10, version 1803.
+- 5 - Available in Windows 10, version 1809.
+- 6 - Available in Windows 10, version 1903.
+- 7 - Available in Windows 10, version 1909.
+- 8 - Available in Windows 10, version 2004.
+- 9 - Available in Windows 10, version 2010.
+
+
+
diff --git a/windows/client-management/mdm/policy-csps-supported-by-hololens2.md b/windows/client-management/mdm/policy-csps-supported-by-hololens2.md
index e5cdb0f0ca..4b8afaf626 100644
--- a/windows/client-management/mdm/policy-csps-supported-by-hololens2.md
+++ b/windows/client-management/mdm/policy-csps-supported-by-hololens2.md
@@ -50,6 +50,12 @@ ms.date: 05/11/2020
- [DeviceLock/MinDevicePasswordLength](policy-csp-devicelock.md#devicelock-mindevicepasswordlength)
- [Experience/AllowCortana](policy-csp-experience.md#experience-allowcortana)
- [Experience/AllowManualMDMUnenrollment](policy-csp-experience.md#experience-allowmanualmdmunenrollment)
+- [MixedReality/AADGroupMembershipCacheValidityInDays](./policy-csp-mixedreality.md#mixedreality-aadgroupmembershipcachevalidityindays)
+- [MixedReality/BrightnessButtonDisabled](./policy-csp-mixedreality.md#mixedreality-brightnessbuttondisabled)
+- [MixedReality/FallbackDiagnostics](./policy-csp-mixedreality.md#mixedreality-fallbackdiagnostics)
+- [MixedReality/HeadTrackingMode](./policy-csp-mixedreality.md#mixedreality-headtrackingmode)
+- [MixedReality/MicrophoneDisabled](./policy-csp-mixedreality.md#mixedreality-microphonedisabled)
+- [MixedReality/VolumeButtonDisabled](./policy-csp-mixedreality.md#mixedreality-volumebuttondisabled)
- [Privacy/AllowInputPersonalization](policy-csp-privacy.md#privacy-allowinputpersonalization)
- [Privacy/LetAppsAccessAccountInfo](policy-csp-privacy.md#privacy-letappsaccessaccountinfo)
- [Privacy/LetAppsAccessAccountInfo_ForceAllowTheseApps](policy-csp-privacy.md#privacy-letappsaccessaccountinfo-forceallowtheseapps)