Ldap errors

What’s the best way to figure out where this ldap bind error is coming from.

ProcessLogin(), LDAP bind for ‘username’ failed with error Invalid Credentials

Subject: ldap errors

Is the Domino server installed on a Windows Domain Controller?

Subject: ldap errors

It’s not a domain controller but does talk to it.

Subject: ldap errors

I’m still struggling with this ldap error. Anyone have any suggestions on how to track this down? dom 8.0.2