Slow internet on server and all RDP Session

Posted on 2009-02-09
Last Modified: 2013-12-14
We have a netwok at our school.
We have a win2003 server, domain and has DNS Server installed
We have a router on the network that also act like DHCP

When a PC starts on the network, its fast on the internet.
But when starting the browser on the server or any RDP clients, its "searching" for long time before i get the page

The server has a static IP, router is default gateway and under DNS we had the ISP providers DNS Servers. There is only 1 netcard.
I then tried to set the DNS Server to the servers own DNS and then forward to ISP DNS, but still slow.

Ipconfig /all looks strange.
Can someone have a look at all this. Has this to do with IP6 or something like that. I would expect other standard PC not to have IP6 installed and it works.
Just afraid to delete as i am sittings several countries away remotely!!

Can anyone give me some indications where to look.
I have attached the print screen of ipconfig /all on the server

Kind Regards
Question by:morten444
    LVL 11

    Expert Comment

    what is

    Your router is 0.1.....  your server is 0.2? Which is hosting DNS?

    check your 'fast' machines and see if the DNS setting is the same...
    LVL 11

    Expert Comment

    oops... silly me... :)
    of course the server is 0.2.....

    Ok..... it sounds like it could be a dns issue..... did you setup DNS on the server?
    LVL 6

    Expert Comment

    Your workstations should be configured with your server as their DNS server.

    Your server should have itself as its only DNS server.  This appears to be the case looking at the ipconfig - it all looks fine by the way.

    You then need to make sure that you don't have a "." root forward lookup zone, if you do delete it.

    Further instructions can be found in this document - - half way down the page under "To remove the root DNS zone".  The document is for 2000 but it applies to 2003
    LVL 6

    Expert Comment

    Also - what client OS are you running?

    Author Comment

    Hi. Thanks for your answers:

    1. OS on Server is Win2003. Clients are using RDP so it becomes the same OS
    2. Set static ip and as DNS i wrote the server itself.
        I set up Tcp/ip properties as pr:
    3. I do not have any Root forward lookup zone
    4. A working PC whe running Ipconfig /all it shows it gets to ISP ip address as DNS
       I had that on the server before as well, but as still slow i changed it back to point at its own DNS
    4. I have setup DNS forwarder as well.

    still slow to load a page. A start page can take over 1-2 minutes to load sometimes

    Any more suggestions?


    Accepted Solution

    The ipconfig /all shows the tunnel 1 and 2 that indicates that IP6 protocol was installed.
    Belive they might used it for the previous Internet Provider.
    By Uninstalling it, it worked fine again


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