I've had this issue for nearly 8 months now. I know its well documented on the internet and even here on the forum but through all my attempts, I've not found a solution

81000306 is basically telling us that it can't connect to the server. I ran troubleshooter and it says my default gateway is down. I've tried everything available on the internet for 81000306 but to no avail.

Furthermore, here's my ipconfig /all output

code:

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E:\wget>ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : MysticGohan
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No

PPP adapter The Internet:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : The Internet
   Physical Address. . . . . . . . . :
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv4 Address. . . . . . . . . . . : 221.128.x.y(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.255
   Default Gateway . . . . . . . . . : 0.0.0.0
   DNS Servers . . . . . . . . . . . : 202.63.x.y
                                       202.63.x.y
   NetBIOS over Tcpip. . . . . . . . : Disabled

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Atheros L1 Gigabit Ethernet 10/100/1000Base-T Controller
   Physical Address. . . . . . . . . : **-**-**-**-**-**
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Autoconfiguration IPv4 Address. . : 169.254.51.167(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.0.0
   Default Gateway . . . . . . . . . :
   NetBIOS over Tcpip. . . . . . . . : Enabled

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• Why is DHCP showing up as disabled when it is set to take the IPs from my ISP (thus should say DHCP enabled, correct?)
  
• Why in the world is the default gateway 0.0.0.0 when everyone else gets a default gateway correctly?

I usually find that resetting my router (just unplugging it, waiting, say, 20 seconds before plugging it back in again) does the trick. Dunno why though, not exactly an expert on this, so it may not work. But just in case

My ISP doesn't provide me with a router. Its shit PPPOE. They give us the cable at our place and a username/password to go with

The router is somewhere half way across the city

quote:

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Originally posted by John Anderton
My ISP doesn't provide me with a router. Its shit PPPOE. They give us the cable at our place and a username/password to go with

The router is somewhere half way across the city

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1. Open Network Connections (WinKey+R -> ncpa.cpl)
2. Double Click your network device (Atheros L1 Gigabit Ethernet 10/100/1000Base-T Controller?)
3. Click Details
4. Does it show any Default gateway there?

quote:

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Originally posted by Felu
1. Open Network Connections (WinKey+R -> ncpa.cpl)
2. Double Click your network device (Atheros L1 Gigabit Ethernet 10/100/1000Base-T Controller?)
3. Click Details
4. Does it show any Default gateway there?

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I mean

Obviously that's null as in blank Same as the internet connection's default gateway

quote:

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Originally posted by Th3rmal

quote:

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Originally posted by John Anderton
My ISP doesn't provide me with a router. Its shit PPPOE. They give us the cable at our place and a username/password to go with

The router is somewhere half way across the city

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Cant you have a router on your behalf as well on your side? Or is it like this everywhere?

Alternatively, ask them nicely to reset it for you, rendering alot of people without internet for a good 30 seconds

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* John Anderton tries CPR on the thread...
Any help?
*beeeeeeeeeeeeeep*
CLEAR
* John Anderton shocks

JA to English Translation of this post: I'm bumping this thread hoping someone can help

Here are some things you can try.

Open the command prompt with administrator rights
run the following commands:
ipconfig /flushdns
ipconfig /release
ipconfig /renew

If it doesn't get the proper address go to the Device Manager and reinstall the network drivers (right click Uninstall) then either reboot or click Action > Scan for hardware changes (Doing so will remove any settings for the network card)

Also before you uninstall the drivers if you go to the IP address settings for the network card
Set it to optain an ip automatically and remove the alternate configuration settings from the second tab at the top (clicking obtain hides the tab automatically so do that before hand).

Sorry this posts just jumps around lol

code:

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E:\wget>ipconfig /renew

Windows IP Configuration

An error occurred while renewing interface Local Area Connection : unable to contact your DHCP server. Request has timed out.

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quote:

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Originally posted by John Anderton
My ISP doesn't provide me with a router. Its shit PPPOE. They give us the cable at our place and a username/password to go with

The router is somewhere half way across the city

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I had the nastiest case with this ever.  It may not be exactly the same as yours, but this started happening on my work laptop, at one of our offices only.  The error seemed to come back very quickly, as if it didn't even try to connect.  It wasn't only happening sometimes, it wouldn't work at all.

I went through testing with another account, uninstalling and reinstalling Messenger several times, once trying to manually clear out anything it might have left behind in the registry, flushng DNS cache on both the laptop and the actual DNS server on the network, looking for changes in firewall policies, having the laptop's private IP address translate to a different public address in case mine was "banned", everything.  Nothing worked.

What puzzled me was that it would work when I was anywhere else, including our other offices -- which are sharing the same exact internet connection over the WAN.  The only difference between the office A and the office B was the local IP address ranges.

I couldn't see why, but since nothing else had worked, I changed my private IP address reservation anyway, and was shocked to find that fixed the problem.  Furthermore, I could put the laptop back on the old private address and it wouldn't connect again.  I can probably still do that and replicate the problem.  It's the equivalent of changing a computer behind your home router from 192.168.1.2 to 192.168.1.3.  It shouldn't make any difference, right?

I would love to hear a guess from one of Microsoft's developers as to what may have been responsible.  There is NO functional difference between the old IP address that makes Messenger not work and any others which work fine; no different firewall rules, nothing.  I am the network administrator and I know this.  Oh well.

Try to run this command:

netsh int ip reset c:\resetlog.txt

http://support.microsoft.com/kb/299357

Has worked fine for a lot of friends resolving tcp/ip  problems.

@tony: Running cmd in admin mode, I still am denied access. My UAC is disabled and yes, my cmd window does say Adminstrator on the top
Here's what the cmd told me exactly.

code:

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E:\wget>netsh int ip reset C:\resetlog.txt
Reseting Echo Request, failed.
Access is denied.

Reseting Interface, OK!
A reboot is required to complete this action.

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Try this: http://support.microsoft.com/kb/817571 as if you are using Windows XP.

http://support.microsoft.com/kb/928233 This looks really promising!

Try "netsh int ip reset" only