HKLM\SYSTEM\CurrentControlSet\Services\Psched\Parameters\Adapters\
The <Adapter-GUID> subkey represents a particular network adapter that supports the Quality of Service (QoS) and stores entries that apply only to the named adapter.
The <Adapter-GUID> subkey is a variable representing the subkeys in the Psched\Parameters\Adapters subkey. It doesn't actually appear in the registry. We use this variable subkey to display the entries that are common to the subkeys in the Adapters subkey.
The <Adapter-GUID> subkeys in your registry represent network adapters or network adapter drivers and are named by for GUID for the adapter. Each subkey represents a particular adapter and stores configuration data that applies only to that adapter.