CautionHKLM\SYSTEM\CurrentControlSet\Control\Class\(Network adapters) {4D36E972-E325-11CE-BFC1-08002BE10318}\
One of the four-digit numbered subkeys in the {4D36E972-E325-11CE-BFC1-08002BE10318} subkey stores configuration data for WAN Miniport devices using the Layer 2 Tunneling Protocol (L2TP) driver. The particular subkey differs among computers.
To determine which of the numbered subkeys stores L2TP driver data on your computer, look for the value, Wan Miniport (L2TP), in the DriverDesc entry in each numbered subkey.
L2TP is an industry standard tunneling protocol. Unlike Point-to-point tunneling protocol (PPTP), which is based on TCP, L2TP is based on UDP.
Caution
Do not change any entries in the Class subkey or any subkey within it. These subkeys are configured by the system to be compliant with Plug and Play standards. Changing any data can prevent your computer devices from starting or operating properly.
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