Fine internet, but can't get to youtube

Discussion in 'Hardware' started by lom, Mar 30, 2009.

  1. lom

    lom Private E-2

    Hey, having a pretty strange problem:

    In general my internets working fine, but for some reason I just can't connect to youtube. I've tried on chrome, ie and firefox and I always just get a no reply error. This includes any youtube videos embedded in other sides, or even pictures hosted on youtube.

    Pinging it almost always gives a timeout although, perhaps most interestingly, not always always. Sometimes I'll get 4 straight replies from 208.117.236.69, and somehow typing that into a browser actually does work, though unfortunately still won't get me videos because youtube use absolute links for those.

    So yeah, I really have no idea what to try. Scanned with AVG just incase but found nothing significant.

    Any ideas?

    Cheers, Luke
     
    lom, Mar 30, 2009
    #1
  2. Anon-15281db623

    Anon-15281db623 Anonymized

    Anon-15281db623, Mar 30, 2009
    #2
  3. xratedsoldier

    xratedsoldier Private E-2

    Almost sounds like a DNS error or firewall error.
     
    xratedsoldier, Mar 31, 2009
    #3
  4. abz1nthe

    abz1nthe Command Sergeant Major

    I would run ccleaner and clean up any junk. Sounds like a DNS issue is pretty probable.
     
    abz1nthe, Mar 31, 2009
    #4
  5. lom

    lom Private E-2

    Some more details:

    • I'm running vista SP1
    • Behind a router
    • Router can ping youtube fine
    • Ccleaner didn't solve anything (though did somehow manage to free up 4 gigs of space :))
     
    lom, Apr 1, 2009
    #5
  6. abz1nthe

    abz1nthe Command Sergeant Major

    can you post back with the contents of your hosts file?
     
    abz1nthe, Apr 2, 2009
    #6
  7. lbmest

    lbmest MajorGeek

    Try this -
    Start > Run > Cmd (Run as Administrator) Type ipconfig /flushdns > Enter
    See if that gets any corrupted entries out for youtube.
     
    lbmest, Apr 2, 2009
    #7
  8. abz1nthe

    abz1nthe Command Sergeant Major

    good call mest :major
     
    abz1nthe, Apr 2, 2009
    #8
  9. lom

    lom Private E-2

    :O Thank you! ^.^
    Had to enable DNS client in services to get it working, then flushing the cache totally fixed it!
    Cheers =D
     
    lom, Apr 2, 2009
    #9
  10. lom

    lom Private E-2

    Oh my god my internet's ridiculously loads faster now as well! I've always wondered why loading pages took so long despite the fact speed tests gave me the 10megs I pay for, and I could never work out why!

    I am eternally in your debt, sir.
     
    lom, Apr 2, 2009
    #10
  11. lbmest

    lbmest MajorGeek

    Congrats on the fix and you're welcome.:)
     
    lbmest, Apr 2, 2009
    #11
  12. lom

    lom Private E-2

    Hey so, turns out the problem comes back. Over the last few days I found that a few times youtube's decided to stop working again, and I'll run ipconfig /flushdns again and it fixes it... again.

    So it's not a massive problem, but it's still quite curious and I'd like to find out what's causing it. As far as I've noticed it's only happened to youtube. As I say, I've set DNS client to automatic.

    Any ideas? :S
     
    lom, Apr 7, 2009
    #12
  13. DavidGP

    DavidGP MajorGeeks Forum Administrator - Grand Pooh-Bah Staff Member

    Hi

    Could if the DNSCache flush works each time, be a negative entry thats continually getting stuck in the Local DNS Resolver cache and while this cache should empty every 24hr period, it may not do sucessfully, so a small trick from XP is to block negative entries being saved in the first place.

    Backup registry or the key folder before changing.

    But open regedit (Start > and type in start search box regedit and hit enter) then navigate to this location HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters

    then right click in the right window in a blank space and choose New > DWord 32-bit Value and name it NegativeCacheTime and give it a value of 0 (but as thats the default setting, leave it be)


    Then see if it happens again, can always delete that entry created if makes no difference.



    At times also TCP/IP V6 causes issues (it shouldnt but some users see and report this fixes the issue on connection for them and as TCP/IPv6 is nto new its not widely adapted as yet, accounting for at last time I looked at figues 1% of internet traffic), so could try turning off TCP/IP v6 and to do this goto Control Panel\Network and Internet\Network Connections and right click your network connection > Properties > and untick Internet Protocol V6 (TCP/IPv6)
     
    DavidGP, Apr 7, 2009
    #13

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