Try to log in to SDP using LDAP it always says user or password is incorrect!!

Try to log in to SDP using LDAP it always says user or password is incorrect!!

I have setup LDAP in the SDP,The version is 8.0 build 8016 and have gotten a successful import of users, however when I enable LDAP Auth. and try to log in to SDP using LDAP it always says user or password is incorrect.why?

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