By default, a website may access the webcam and microphone after showing a dialog asking if the user wishes to allow the site access to the webcam/microphone. When this policy is disabled, websites may never use the webcam/microphone via Silverlight and no dialog will be shown.
| Registry Hive | HKEY_CURRENT_USER |
| Registry Path | Software\Microsoft\Silverlight |
| Value Name | AllowWebcam |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |