Remote Access Auto Connection Driver (RasAcd) Service Defaults in Windows XP

Remote Access Auto Connection Driver.

Default Settings

Startup type: System
Display name:Remote Access Auto Connection Driver
Service name:RasAcd
Service type:kernel
Error control:normal
Group:Streams Drivers
Path:%SystemRoot%\system32\DRIVERS\rasacd.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RasAcd

Default Behavior

Remote Access Auto Connection Driver is a kernel device driver. In Windows XP it is starting right at Kernel initialization. If the Remote Access Auto Connection Driver fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the RasAcd service has failed to start.

Restore Default Startup Configuration of Remote Access Auto Connection Driver

1. Run the Command Prompt.

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

sc config RasAcd start= system
sc start RasAcd

3. Close the command window and restart the computer.

The RasAcd service is using the rasacd.sys file that is located in the C:\Windows\system32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows XP installation media.