Fix for Windows 7 or Windows Server 2008 R2 'create new 6to4 adapter unexpectedly after you restart'

Consider following scenario “you’ve a computer running Windows 7 or Windows Server 2008 R2. You enable wireless Hosted Network feature to use Virtual WiFi function on this computer. You restart this computer without stopping Virtual WiFi. You start wireless Hosted Network again. In this scenario, a new Microsoft 6to4 adapter is unexpectedly created in Device […]

Consider following scenario “you’ve a computer running Windows 7 or Windows Server 2008 R2. You enable wireless Hosted Network feature to use Virtual WiFi function on this computer. You restart this computer without stopping Virtual WiFi. You start wireless Hosted Network again. In this scenario, a new Microsoft 6to4 adapter is unexpectedly created in Device Manager. Additionally, if you restart computer multiple times, multiple Microsoft 6to4 adapters are created. Note To view all adapters that’re created, type ipconfig at a command prompt, and then press ENTER.” Cause: “When computer restarts, Plug & Play service shuts down before process to enable Microsoft 6to4 adapter to be reused is performed. Because of this, the adapter cannot be reused when it’s reconnected. Therefore, a new virtual adapter is created,” Microsoft stated in KB980486. “To work around this problem, stop wireless Hosted Network before you restart computer. To stop wireless Hosted Network, run netsh command. To do this, follow these steps: 1. Click Start, click All Programs, click Accessories, and then click Command Prompt 2. At command prompt, type following command, and then press ENTER: netsh wlan stop hostednetwork. Note To start wireless Hosted Network, run following command: netsh wlan start hostednetwork.”