Isa Server 2004 - Routing Correlation Error (EventID 14147)

I'm running on 14147 Error on MS IsaServer2004... I tried a lot of workaround to solve this problem, but not success... I never changed the system's default routing table so, I really don't know why these error happen. My Isa Server also acts as VPN Server and these errors are logged only when a VPN User estabilish a connection. Above there are examples of errors that is logged:

>>>>EXAMPLE 01
Event Type:            Error
Event Source:      Microsoft Firewall
Event Category:      None
Event ID:            14147
Date:            2/15/2007
Time:            11:48:49 AM
User:            N/A
Computer:            NETSERVER02
Description:
ISA Server detected routes through adapter Wireless Network Connection that do not correlate with the network element to which this adapter belongs. For best practice, the address range of an ISA Server network should match the address ranges routable through the associated network adapter as defined in the routing table. Otherwise valid packets may be dropped as spoofed. (This alert may occur momentarily when you create a remote site network. You may safely ignore this message if it does not reoccur.)  The address ranges in conflict are: 192.168.21.103-192.168.21.103;192.168.21.255-192.168.21.255;.

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


>>>>EXAMPLE 02
Event Type:      Error
Event Source:      Microsoft Firewall
Event Category:      None
Event ID:            14147
Date:            2/15/2007
Time:            11:48:49 AM
User:            N/A
Computer:            NETSERVER02
Description:
ISA Server detected routes through adapter Loopback that do not correlate with the network element to which this adapter belongs. For best practice, the address range of an ISA Server network should match the address ranges routable through the associated network adapter as defined in the routing table. Otherwise valid packets may be dropped as spoofed. (This alert may occur momentarily when you create a remote site network. You may safely ignore this message if it does not reoccur.)  The address ranges in conflict are: 192.168.21.103-192.168.21.103;.

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


>>>>EXAMPLE 03
Event Type:            Error
Event Source:      Microsoft Firewall
Event Category:      None
Event ID:            14147
Date:            2/15/2007
Time:            11:48:50 AM
User:            N/A
Computer:            NETSERVER02
Description:
ISA Server detected routes through adapter Wireless Network Connection that do not correlate with the network element to which this adapter belongs. For best practice, the address range of an ISA Server network should match the address ranges routable through the associated network adapter as defined in the routing table. Otherwise valid packets may be dropped as spoofed. (This alert may occur momentarily when you create a remote site network. You may safely ignore this message if it does not reoccur.)  The address ranges in conflict are: 192.168.21.255-192.168.21.255;.

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


How could I solve this error once for all?
Thanks a lot!!!Start Free Trial