Please note, this isn't an exploit but a Bug for whoever doesn't have a premium item.

There is 4 login server DNS:
gwgt1.joymax.com -> 121.128.133.28
gwgt2.joymax.com -> 121.128.133.30
gwgt3.joymax.com -> 121.128.133.28
gwgt4.joymax.com -> 121.128.133.29

sro_client.exe randomly select one of those 4 dns server.
Please note this is random, but since there is 2 dns pointing to the same ip
Odds are more people will connect to the '121.128.133.28' login server.

Making such a server to be avoided at all cost since on a perfect odds
121.128.133.28 -> 25% -> 50%
121.128.133.28 -> 25% -> 50%
121.128.133.29 -> 25%
121.128.133.30 -> 25%

Meaning the lineup of the server .28 will be twice as long as .29 and .30
Also, since last time, a lot of people are hugging the .30 server since it is gwgt4.joymax.com
If user hasn't realised, recently the .29 server lineup has been the shortest one.
But than again, those are just odds.

Please also be advised that the "...Requesting user confirmation" message should appear each 20 seconds.
If the message doesn't appear, this mean your sro_client.exe is bugged.
http://www.rev6.com/AutoLoginBug.jpg

For more information on how such a bug can occur,
so Joymax can fix the issue please read the following document:
http://www.rev6.com/AutoLoginBug.txt

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Requesting Joymax to fix the pk2 file
/media/DIVISIONINFO.TXT
Please remove the extra dns so the amount of DNS equal the amount of ip.
This way each lineup will have an identical distribution.

Also read the http://www.rev6.com/AutoLoginBug.txt
Those bug prevent newer player from joining Silkroad
Since it prevent them to login 50% of the time and than they switch game.

Update Preview - Legend IV Plus Hotan Fortress
 

- Silkroad’s third fortress is coming!

[Update Contents]
- New Hotan Fortress
- New Fortress War System
- New premium item : Storage expansion item & Glacial Avatar

- Winter Event

* For more information will be available on November 24th of 2009 on an official Silkroad website.

We have setup everything for the new server,
if you find any issue please contact 'Admin' on the forum.

Sincerely,
Rev6 team