Could not connect to authentication server

Note:
This thread does not solve the problem, as I do not have DMZ enabled on my router.
This thread does not solve the problem because it is not an issue with certifications.

Problem:
I can not log on to the KAG authentication server.

Details:

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I am running Windows 7, and can successfully ping both master.kag2d.com and api.kag2d.com.
I have been able to successfully log in in the past, up until a recent update.

Solution:
Reinstall operating system.

 

I would appear to be experiencing the same issue. I have reset my connection multiple times as well as the game, but it continues to say it could not connect.

 

I talked to a couple other people, and they're all getting this right now. It appears to be an issue with the master servers. There's probably nothing wrong on your end. Just wait it out.

 

Should be fine now:)

 

Still having the same problem. I'll attribute it to KAG still being in beta. If anything changes then I'll post in here again.

 

@FliesLikeABrick
I can not remember when it first occurred precisely. My best guess would be approx 40 days ago.
With Windows Firewall and Avast 7.0.1426 disabled it still fails to authenticate.

 

It seems to be local to my computer specifically. I installed KAG on a laptop that uses the same internet connection (albeit wireless), but there it logged on just fine. Both have Windows 7 and Avast (6.0.1367).
I tried uninstalling KAG on my PC, deleting its folder and reinstalling it from a freshly downloaded setup.exe but still get the same result.
(A pause and then the error message)

 

I rebooted into Windows XP and ran KAG from there. It logged on without a hitch.
Temporarily uninstalling my Antivirus on Windows 7 didn't make a difference.

Text dump follows:

Code:

C:\Users\Admin>ipconfig /all
 
Windows IP Configuration
 
  Host Name . . . . . . . . . . . . : Diago
  Primary Dns Suffix  . . . . . . . :
  Node Type . . . . . . . . . . . . : Hybrid
  IP Routing Enabled. . . . . . . . : No
  WINS Proxy Enabled. . . . . . . . : No
 
Ethernet adapter Local Area Connection 4:
 
  Media State . . . . . . . . . . . : Media disconnected
  Connection-specific DNS Suffix  . :
  Description . . . . . . . . . . . : TeamViewer VPN Adapter
  Physical Address. . . . . . . . . : 00-##-##-##-##-86
  DHCP Enabled. . . . . . . . . . . : Yes
  Autoconfiguration Enabled . . . . : Yes
 
Ethernet adapter Local Area Connection:
 
  Connection-specific DNS Suffix  . :
  Description . . . . . . . . . . . : Realtek RTL8168C(P)/8111C(P) Family PCI-E
Gigabit Ethernet NIC (NDIS 6.20)
  Physical Address. . . . . . . . . : 00-##-##-##-##-3B
  DHCP Enabled. . . . . . . . . . . : No
  Autoconfiguration Enabled . . . . : Yes
  Link-local IPv6 Address . . . . . : fe80::71d6:82e1:837b:69df%11(Preferred)
  IPv4 Address. . . . . . . . . . . : 192.168.1.105(Preferred)
  Subnet Mask . . . . . . . . . . . : 255.255.255.0
  Default Gateway . . . . . . . . . : 192.168.1.1
  DHCPv6 IAID . . . . . . . . . . . : 234890776
  DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-9C-C0-88-00-26-18-36-3C-3B
 
  DNS Servers . . . . . . . . . . . : 192.168.1.1
  NetBIOS over Tcpip. . . . . . . . : Enabled
 
Tunnel adapter isatap.{8D861586-24A7-41C0-98DF-34DA6DFB5E9C}:
 
  Media State . . . . . . . . . . . : Media disconnected
  Connection-specific DNS Suffix  . :
  Description . . . . . . . . . . . : Microsoft ISATAP Adapter
  Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
  DHCP Enabled. . . . . . . . . . . : No
  Autoconfiguration Enabled . . . . : Yes
 
Tunnel adapter Teredo Tunneling Pseudo-Interface:
 
  Connection-specific DNS Suffix  . :
  Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
  Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
  DHCP Enabled. . . . . . . . . . . : No
  Autoconfiguration Enabled . . . . : Yes
  IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:e3:3850:d67a:d3c0(Prefer
red)
  Link-local IPv6 Address . . . . . : fe80::e3:3850:d67a:d3c0%12(Preferred)
  Default Gateway . . . . . . . . . : ::
  NetBIOS over Tcpip. . . . . . . . : Disabled
 
Tunnel adapter isatap.{F8B9F930-4EB6-4CBA-A853-192B2E5829E6}:
 
  Media State . . . . . . . . . . . : Media disconnected
  Connection-specific DNS Suffix  . :
  Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
  Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
  DHCP Enabled. . . . . . . . . . . : No
  Autoconfiguration Enabled . . . . : Yes

 

I ended up reinstalling Windows 7, as one other program was having trouble connecting to online servers.
It would seem that KAG connects successfully now.

If I ever reproduce the error and know what caused it, then I will post here.

 

I'm getting the same error as Diago, i'm not even on windows though..

Kag was logging in and playing fine, then i went off for abit and came back and started to get the same error that diago had.
</br>--- merged: Jun 14, 2012 8:10 AM ---</br>
Playing on osx 10.6.8, tried restarting modem, computer, reinstalling kag, tryed under a different user account on the computer aswell, still nothing