Tutorial on how to update your realmlist to Warmane.
Wrath of the Lich King
1) Go to your World of Warcraft folder
2) Double click on your "Data" folder
3) Double click on your enUS (or whichever language pack you're using) folder
4) Right click on the file named "realmlist.wtf", open it with Notepad.
5) Replace ALL of the text in this file with the following: set realmlist logon.warmane.com
Cataclysm
1) Go to your WoW folder where you can find your WoW.exe
2) Double click on your "Data" folder
3) Double click on your enUS (or whichever language pack you're using) folder
4) Right click on the file named "realmlist.wtf", select "open it with Notepad
Note: Sometimes "realmlist.wtf" file may be located in the World of Warcraft
5) Replace ALL of the text in this file with the following: set realmlist logon.warmane.com
Mists of Pandaria
1) Go to your WoW folder where you can find your WoW.exe
2) Double click on your "WTF" folder
3) Right click on the file named "Config.wtf", open it with Notepad
4) On the third line, you should see "realmlist". Replace the text on this line with the following: SET realmlist "logon.warmane.com"
How to fix the "read only" problem;
1) Right-click on the file.
2) Select "Properties" from the displayed menu.
3) At the bottom of the new panel, there is a box named "Read-only". Make sure it is NOT checked!