Event Message:

Unable to perform ioctl to device driver containing RAS performance data.

Source Event Log Event ID Event Type
Rasctrs Application 2001 Error


There was a communication problem with Performance Monitor 4 and the Routing and Remote Access driver using a device IOCTL.

User Action:

Verify that the NDISWAN.SYS file is in your Systemroot\system32\drivers folder. Also restart the server.