Policy CSP - Messaging

AllowMessageSync

Scope Editions Applicable OS
✅ Device
❌ User
✅ Pro
✅ Enterprise
✅ Education
✅ Windows SE
✅ IoT Enterprise / IoT Enterprise LTSC
✅ Windows 10, version 1607 [10.0.14393] and later
./Device/Vendor/MSFT/Policy/Config/Messaging/AllowMessageSync

This policy setting allows backup and restore of cellular text messages to Microsoft's cloud services.

Disable this feature to avoid information being stored on servers outside of your organization's control.

Description framework properties:

Property name Property value
Format int
Access Type Add, Delete, Get, Replace
Default Value 1

Allowed values:

Value Description
0 Message sync isn't allowed and can't be changed by the user.
1 (Default) Message sync is allowed. The user can change this setting.

Group policy mapping:

Name Value
Name AllowMessageSync
Friendly Name Allow Message Service Cloud Sync
Location Computer Configuration
Path Windows Components > Messaging
Registry Key Name Software\Policies\Microsoft\Windows\Messaging
Registry Value Name AllowMessageSync
ADMX File Name messaging.admx

AllowMMS

Scope Editions Applicable OS
✅ Device
❌ User
❌ Pro
❌ Enterprise
❌ Education
❌ Windows SE
❌ IoT Enterprise / IoT Enterprise LTSC
✅ Windows 10, version 1703 [10.0.15063] and later
./Device/Vendor/MSFT/Policy/Config/Messaging/AllowMMS

This policy setting allows you to enable or disable the sending and receiving cellular MMS messages.

Description framework properties:

Property name Property value
Format int
Access Type Add, Delete, Get, Replace
Default Value 1

Allowed values:

Value Description
1 (Default) Allow.
0 Block.

AllowRCS

Scope Editions Applicable OS
✅ Device
❌ User
❌ Pro
❌ Enterprise
❌ Education
❌ Windows SE
❌ IoT Enterprise / IoT Enterprise LTSC
✅ Windows 10, version 1703 [10.0.15063] and later
./Device/Vendor/MSFT/Policy/Config/Messaging/AllowRCS

This policy setting allows you to enable or disable the sending and receiving of cellular RCS (Rich Communication Services) messages.

Description framework properties:

Property name Property value
Format int
Access Type Add, Delete, Get, Replace
Default Value 1

Allowed values:

Value Description
1 (Default) Allow.
0 Block.

Policy configuration service provider