#1 - April 26, 2011, 9:57 p.m.
A hotfix is being deployed to help resolve issues associated with the 'Optimize Network for Speed' option. While this resolution will be applied soon, it should only take effect with the next restart. If you are amongst those affected by this issue, it may persist until those realm resets occur.
Please note that connectivity or log in issues may be related to other factors. If you still require assistance, you may be able to obtain further guidance on our Technical Support forum (http://us.battle.net/wow/en/forum/1011701/)
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We are aware that some players are becoming stuck at the Retrieving Character List screen. If you are experiencing this issue, please click the Options button on your log in screen, then go to Network and ensure that the 'Optimize Network for Speed' box is checked.
This temporary workaround should allow you to play, but you may experience increased latency. We are currently working to resolve this issue and we will provide further updates and information as soon as they are available.
Note: Some players who remain able to log in successfully are experiencing connectivity issues, particularly in instances. Those players may experience fewer issues if the 'Optimize Network for Speed' box is unchecked.