Error 3007 or 316704 can occur when a computer is unable to maintain a stable connection to our Blizzard servers.
If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
Reset your network devices to make sure your router hasn't become flooded with data.
- Joining General chat can help keep your connection active. To join the General chat channel:
- Log in to Diablo III.
- Click the cogwheel icon in the chat box on the left side of the screen.
- Click Join Public Chat.
- Click General.
Make sure Windows Secondary Logon is enabled, which Blizzard Agent requires to run correctly.
Try closing background applications to resolve any software conflicts.
Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
Release and renew your IP and flush your DNS to resolve any network conflicts.
Deleting the cache folder can resolve problems with the logon module.
Repair Disk Permissions to resolve any permission conflicts with logon modules.