Able to ping domain but not browse to them

Posted on 2012-08-29
Last Modified: 2013-07-13
Server: Windows Server 2008 R2 Standard (SP1)
We are unable to browse websites from this server, we either get a "The address is not valid" error or "Page cannot be displayed"
We can ping the same domain (i.e. properly.

DNS server is currently pointing to the Domain Controller (offsite location), secondary DNS is set to the router/firewall locally in the office. VPN is setup between this office to the offsite location, running perfectly fine.

What we've done so far:
Check for windows updates - all updated
Ran malware/virus scan - no threats/infections
checked host file - ok, no unknown entries

Reboot usually fixes it, but then after a few days, it just comes back to the same issue.
Could this be an issue with server 2008 itself?

Any help would be appreciated.
Question by:andrew_transparent
    LVL 13

    Expert Comment

    Is the default gateway correct on the server?
    LVL 18

    Expert Comment

    If you are able to ping the google that means the DNS is perfect and ICMP is open..

    Can you check telnet on Port 80 & 443 to if it passes ..if not you have to check with your Firewall Guy
    LVL 15

    Expert Comment

    Confirm it's not an issue with your web browser by trying a different web browser like Firefox or Google Chrome.

    To confirm DNS is working type ping -a <IPAddress>  This should resolve the IP address to the name of the website.

    To check if it's a DNS issue run ipconfig /flushdns to clear the DNS entries, then try opening the site again in your web browser.

    To check to see if it's a PC issue with communicating with the host via HTTP run - telnet <host name or IPaddress> 80

    To confirm it's not an issue with the NIC, uninstall it (add and remove hardware) and reboot, which will automatically reinstall it.

    If none of that works/helps then I'd use MSConfig to eliminate other software that is running simultaneously.  If you want to try using MSConfig and are not familiar with it let me know and I can give you directions on how to use it.

    If you want more direction with any other part of these suggestions let me know.

    Hope that helps,
    LVL 1

    Author Comment

    i can telnet just fine to google (80 or 443)
    i've tried using firefox and have the same issue.
    running ipconfig/flushdns doesnt make any difference
    gateway is correct..

    I am able to get into the server via RDP so not sure why the server can't get out of the internet..
    LVL 15

    Expert Comment

    What is(are) the role(s) of this server?

    My bet is that this is a DNS issue with the primary or secondary DNS.  Set your DNS to (or any other free DNS), run ipconfig/flushdns and retest.  If that fixes it then change the DNS to just the the remote server, then retest.  Repeat with the firewall.  Let us know what works and doesn't work.

    Additionally testing would be possible by adding entires for the website into your host file and retesting.

    I'm fairly certain this issue is with either DNS traffic going over your VPN or DNS going to your firewall.

    LVL 1

    Author Comment

    It's an application server (for phone system software) and that's it.

    tried the following:
    primary: (Remote Domain Controller, running DNS)
    Result: still no go

    primary: (Remote DC)
    result: still not working

    primary: (firewall)
    result: still not working

    result: not working

    adding the ip address of in the host file - still not working
    LVL 15

    Expert Comment

    Well if you added an entry into the host file and that didn't fix it then it's not a DNS issue.  

    Is there anything unique about the setup of this server that differs from other machines?

    Has this ever worked properly?

    Does this server have a second Nic that you could test with?
    LVL 1

    Author Comment

    Sorry for the delayed response,
    This server is just a member server with the DNS pointed to the main server in a different site

    I believe this has worked before... I will continue researching and keep you updated.
    LVL 1

    Accepted Solution

    after a few reboots and windows update. its working stable now.
    LVL 1

    Author Closing Comment

    updates. reboot seem to have fixed the problem

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