RemoteAccess Problems on XP after upgrading from Windows 2000

RemoteAccess Problems on XP after upgrading from Windows
2000

Event Type: Error
Event Source: RemoteAccess
Event Category: None
Event ID: 20152
Date: 2003/10/30
Time: 14:25:40
User: N/A
Computer: ZA211117
Description:
The currently configured authentication provider failed
to load and initialize successfully. The parameter is
incorrect.


For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 57 00 00 00 W...



Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7024
Date: 2003/10/30
Time: 14:26:19
User: N/A
Computer: ZA211117
Description:
The Routing and Remote Access service terminated with
service-specific error 87 (0x57).

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.