Microsoft MAC Bridge (MsBridge) Service Defaults in Windows 8

Microsoft MAC Bridge.

Default Settings

Startup type:Manual
Display name:Microsoft MAC Bridge
Service name:MsBridge
Service type:kernel
Error control:normal
Group:NDIS
Path:%SystemRoot%\system32\DRIVERS\bridge.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsBridge

Default Behavior

The Microsoft MAC Bridge service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If Microsoft MAC Bridge fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the MsBridge service hasn't been started.

Restore Default Startup Configuration for Microsoft MAC Bridge

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config MsBridge start= demand

3. Close the command window and restart the computer.

The MsBridge service is using the bridge.sys file that is located in the %WinDir%\system32\DRIVERS folder. If the file is corrupted or deleted, you can put it back in there.