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Major DNS error

I've already had a computer repair person spend several hours on this and couldn't fix it.

My HP desktop is running XP Media Center edition. I'm on RoadRunner hard-lined to a modem and router (not connected wirelessly). All the equipment is fine, but I can't connect to the internet...or so it seems.

If I type in a web address, such as, etc. I get a "cannot connect to the internet" error. But if I type in the google IP address into the address bar, it connects fine. So for some reason, the DNS is not converting is my guess.

I tried everything I could before having someone else look at it. When I tried the system restore, it gave me an error message saying it could not go back to the date I chose. I tried several. None worked.

Also, there is a Windows SP3 that is trying to download the update and has not been able to. That was around when the problem seems to have started so I don't know if that triggered the problem or just is another symptom.

So far, the computer guy removed my Norton's to see if that was preventing the download. He tried uploading the SP3 update via CD-ROM (unsuccessful). He determined the equipment is all working properly but can't figure out why the IP addresses work and not domain names.

He suggested I back everything up and start from scratch...use the system console to "wipe" everything (my computer didn't come with a restore CD and he says its partitioned on the hard drive) and go back to bare bones.

So my questions are:
1. Is there no other option?
2. If I did this, will it really work, theoretically?
3. How do I do it?

Thanks in advance.

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2 Answers

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Solution #1

Method 1: Configure Windows Firewall to enable HTTP traffic loadTOCNode(3, 'resolution');To configure Windows Firewall to enable HTTP traffic, follow these steps: 1. Click Start, click Run, type Firewall.cpl, and then click OK. 2. On the Exceptions tab, click Add Port. 3. In the Name box, type HTTP. In the Port box, type 80.Note This procedure enables HTTP traffic. If you also require HTTPS traffic for Secure Sockets Layer (SSL) sites, repeat these steps, but type HTTPS in the Name box, and then type 443 in the Port box. Method 2: Configure network settings loadTOCNode(3, 'resolution');To configure network settings, follow these steps: 1. Click Start, click Run, type Firewall.cpl, and then click OK. 2. On the Advanced tab under Network Connection Settings, click your network connection, and then click Settings. 3. On the Services tab, click Web Server (HTTP), and then click OK.

Note If you must also enable HTTPS traffic for Secure Socket Layer (SSL) sites, click both Secure Web Server (HTTPS) and Web Server (HTTP).
Solution #2

1. Click Start, click Run, type Certmgr.msc, and then click OK. 2. Locate and then right-click the certificate that you want to export, point to All Tasks, click Export. 3. Click Next. 4. On the Export Private Key page, click Yes, export the private key, and then click Next. 5. On the Export File Format page, click Personal Information Exchange - PKCS #12 (.PFX), click to select the Include all certificates in the certification path if possible check box, and then click Next.

Note Do not click to select the Enable strong encryption (requires IE 5.0, NT 4.0 SP4 or above) check box. 6. Follow the directions on the screen to complete the Certificate Export Wizard. 7. On the client computer on which you want to import the certificate, click Start, click Run, type Certmgr.msc, and then click OK. 8. Expand the certificate store into which you want to import the certificate. Typically, you want to import the certificate into one of the following certificate stores: • Personal • Trusted Root Certification Authorities • Intermediate Certification Authorities 9. Right-click Certificates, point to All Tasks, and then click Import. 10. Follow the directions on the screen to complete the Certificate Import Wizard.

Solution #3

To resolve this problem, modify the host header. To do this, follow these steps: 1. Start Internet Services Manager, and then expand the Web server that you want. 2. Right-click the Web site that you want, and then click Properties. 3. Click the Web Site tab, and then click Advanced. 4. Click the host header name that you want to modify, and then click Edit. 5. In the Host Header Name box, type a name that does not include white spaces, and then click OK three times.

Posted on Oct 22, 2008

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  • 87 Answers

1. There are many options!
2. Yes, Probably, but perhaps not. "You don't know, what you don't know!"
3. Reloading from scratch on an HP is dependant on the model.

Now if you would like to try some other options,

You say you are connected to a modem and a router. Your modem is a router for all intents and purposes even if it has only a single lan port. If your using a second router, you are double NATing. The second router should not be configured as a gateway but as a router. Then your DHCP assigned IP addreses will be correct as well as defaualt gateway and DNS settings.

Try this, do not use the WAN port for the second router, just plug it into one of the other ports. This will allow the router to work pretty much as a hub. If this works, reconfigure the router to be a router not a gateway.

Posted on Oct 22, 2008


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