I'm having an issue on Windows 7 - if I have my Ethernet cable plugged in, Windows will default to using my WiFi network adapter. I would prefer that Windows default to my Ethernet connection. In order to resolve this, I have to manually disconnect the WiFi adapter in Control Panel's "Networking and Sharing Center", and then it will recognize my Ethernet connection.
Another weird thing is when I look at Control Panel\Network and Internet\Network Connections, my "TAP-Win32 Adapter OAS" is always disconnected. My Ethernet adapter is only noticed when I have it plugged in; and only then it shows up as a new adapter called "Realtek PCIe GBE Family Controller".
Note: Sorry I can't show screen captures because I'm one reputation point away from being able to show images.
I followed the steps in the articles How to Change the Priority of Wired/Wireless Network Cards in Windows and An explanation of the Automatic Metric feature for Internet Protocol routes
Here are my current metrics (network adapter priority):
C:\Users\Michael> netstat -rn
===========================================================================
Interface List
10...1c c1 de 98 1b 88 ......Realtek PCIe GBE Family Controller
16...00 ff fa d7 9e 94 ......TAP-Win32 Adapter OAS
13...00 26 82 c8 41 a7 ......Broadcom 43224AG 802.11a/b/g/draft-n Wi-Fi Adapter
12...70 f3 95 79 4f ec ......Bluetooth Device (Personal Area Network)
24...00 50 56 c0 00 08 ......VMware Virtual Ethernet Adapter for VMnet8
1...........................Software Loopback Interface 1
18...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
21...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
22...00 00 00 00 00 00 00 e0 Microsoft ISATAP