+ 0 Votes Status of other workstations? Maybe the Connection to the T-1 gateway pthompson 7 years ago Can a workstation connected to the network access the internet through your primary t-1? If the answer is no, then check the gateway and the firewall to see if the firewall is malfunctioning. Also contact your ISP provider of the T-1. Could be a problem on their end. Also, see if you are experiencing a DOS attact. I had a client with similar problem. When I looked at the Firewall, I see that the incomming LED is blinking a hole lot, but when I look at the switch, network Traffic is normal. I swiched the Static IP or another IP that my client has access to and everything worked. + 0 Votes hmmm did you attempt to try the Method #2 of the PIX and DNS issue? yungster 6 years ago Method 2 Turn off EDNS0 functionality on the Windows Server 2003 server. To do so, at the command prompt, type: dnscmd Server Name /Config /EnableEDnsProbes 0 Back to the top + 0 Votes Possibly Cisco Pix blocks! rajagopalan.durairajan 7 years ago * Don't worry about your windows 2003 , check if you are able to browse through Cisco Pix * On the PDC how is your DNS configured ? 127.0.0.1 & the external DNS address ? * Check your Cisco pix has a correct external DNS , might be the external DNS is not working ? Reply back , will help you if you are not finding any solution .