Control which native messaging hosts users can use

List specific native messaging hosts that users can use in Microsoft Edge.

By default, all native messaging hosts are allowed. If you set the 'NativeMessagingBlocklist' (Configure native messaging block list) policy to *, all native messaging hosts are blocked, and only native messaging hosts listed in here are loaded.

Example value:

com.native.messaging.host.name1
com.native.messaging.host.name2

Names of the native messaging hosts to exempt from the block list

Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry Path	Software\Policies\Microsoft\Edge\NativeMessagingAllowlist
Value Name	{number}
Value Type	REG_SZ
Default Value