You not only have to register it under eqemulator.net under WS accounts but also put your account information under the server config file.
For example
eqemu_config.xml
Code:
<!-- Loginserver information. Defaults shown -->
<loginserver>
<host>64.120.211.247</host>
<port>5998</port>
<account>accountname</account>
<password>password</password>
</loginserver>