Event Message:

The IPX network number for the LAN adapter with the MAC address address on the local machine has not been configured or could not be auto-detected. The IPX Router will not work on this LAN segment.

Source Event Log Event ID Event Type
RemoteAccess System 20087 Error

Explanation:

RAS Server is unable to route NWLink traffic from the RAS client. This problem occurs when the network segment that the Windows 2000 RAS server is on does not have an IPX network number.

User Action:

Contact the administrator. For additional information, see article "Q133032: Event ID 20087 Appears When You Dial a RAS Server" in the Microsoft Knowledge Base.