At the client, examine the Nw_logon.log file to determine which IPX network numbers the client found from its network configuration. Verify that the site boundary assignments have been copied from the site control file to the information stored for the site in the Netconf.ncf file in the \\<LogonPoint>\SMSLogon\Sites\<SiteCode>\ directory. You can open the Netconf.ncf file in Microsoft Notepad, but do not attempt to change this file directly.