Any Suggestions on resolving this... Ive recreated a new dialup entry and deleted the old ... The server appears to function correctly.... Except for MSN Messenger voice and video Configuration has 3 NIC's , ADSL PPOE configuration SP2 and W2k3 Microsoft Firewall failed. The failure occurred during Initialization of Network Address Translation (NAT) because the configuration property msFPCName of the key SOFTWARE\Microsoft\Fpc\Arrays\{F46808DB-E2FE-4358-91F1-37E71692C472}\Pol icyElements\DialupEntries\{9C4C9693-829D-46C8-B0C8-80CFB24C2B76}\Credent ials could not be accessed. Use the source location 2.1927.3.0.1200.365 to report the failure. The error code in the Data area of the event properties indicates the cause of the failure. For more information about this event, see ISA Server Help. The error description is: The system cannot find the file specified. For more information, see Help and Support Center at Thanks for any assistance Darryl Janetzki