Berkeley CSUA MOTD:Entry 35697
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2025/07/08 [General] UID:1000 Activity:popular
7/8     

2005/1/13-14 [Computer/Networking] UID:35697 Activity:high
1/13    I need help fixing someone's Win2K box.  Setup:  Win2K box -> D-Link
        router -> DSL modem.  The Win2K box cannot obtain a DHCP address
        (other computers can).  So, I assign a static IP, and set the default
        gateway and DNS server to be the D-Link router.  After this, the Win2K
        box can access web pages on the Internet as long as you specify the
        web site IP address directly -- but DNS doesn't work.  Computer used
        to work fine, something about installing Windows updates hosed it
        (they are on SP4).  To summarize, the following is broken:  can't
        obtain DHCP-assigned IP address; when setting static IPs for host and
        gateway/DNS, DNS doesn't work.  Other computers on router are fine.
        Thanks!
        \_ Sounds like TCP/IP stack is broken. I've seen this happen
           before. The only solution I've found to work reliably is
           to unfortunately do a repair/reinstall off of the Win2k CD.
           \_ Yeah, I kind of agree.  A full re-install will be the last
              option.  I did try sticking in a new network card -- all drivers
              installed fine, but same DNS/DHCP issues.  I will try to Add/
              Remove Windows components and try to take out networking. -op
        \_ I assume you can't ping by name either? Did you go from SP3 to SP4?
           I would look to see if the address that the machine used to have
           isn't reserved on the router.
           \_ We used 192.168.0.99 for static.  That might be it, since
              DHCP-assigned IPs are all .100 or higher.  Don't know about
              ping by name, but nslookup definitely didn't work for
              http://www.yahoo.com or soda.  I'll try everything suggested this
              weekend.
              \_ Are you connecting via wireless or with a wire? My
                 roomie "upgraded" to XP SP2 and now WEP security does
                 not work. I had to turn it off for wireless to work
                 for her.
                 \_ wired.  fyi, encrypted wireless to the same router works
                    fine too.  I use both that and 100BaseT when I'm over.
        \_ As noted above, try "ping http://yahoo.com"; if you get no response, try
           setting the DNS servers manually (I'm a fan of 206.13.28.12, myself)
           If you're using IE, go to Connections->LAN and make sure the
           "Automatically detect settings" box is unchecked. Also, can you
           ping the router?
           \_ I set the DNS server to 192.168.0.1 (the router), didn't work.
              I'll try the IP you provided.  pinging yahoo and soda's IP
              address worked fine.  I'll uncheck that box too.
              \_ If you can ping Yahoo's IP address but not the name http://yahoo.com,
                 it's almost certainly a DNS issue. The quick fix is to set
                 the DNS server to the address above. Please post how this
                 works out, and good luck.
        \_ Did he use Adaware recently?  That can hose your registry where tcp
           settings are.  At least on XP.  The fix I found for XP was WinSock
           XP Fix.  Don't know if there are easy win2k solutions.
           \_ I'm going to try Ad-aware this weekend.
              \_ Just to clarify, Ad-aware can damage your tcp stack and
                 produce exactly these symptoms.
                 \_ Wow, I didn't know that.  Thanks.
                 \_ It can? I run AdAware and Spybot every month or so on my
                    Win2K machine, and I've never seen this happen.
2025/07/08 [General] UID:1000 Activity:popular
7/8     

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