Navigate the the location below in your registry and make the corresponding change.

Create a new string value called "NodeType" and set it to either 1, 2, 4, or 8.

1 = b-node

2 = p-node

4 = m-node

8 = h-node

This value can also be specified using DHCP. 

Restart Windows. 

Key:[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
Value Name: NodeType
Data Type: REG_SZ
Data:1, 2, 4, or 8