LDAP SSL connection using ASP.Net MVC web application - How to connect

Question

Help me !!!! 

 System.DirectoryServices.Protocols

I try to connect the LDAP Connection with the above assembly reference but it connection it says  

 The supplied credential is invalid.

 80090308: LdapErr: DSID-0C090453, comment: AcceptSecurityContext error, data 52e, v3839

 

using (LdapConnection ldapConnection = new LdapConnection(activeDirectoryServer) { Timeout = TimeSpan.FromSeconds(600) })
{
    var networkCredential = new NetworkCredential(loginCN, ldpPassowrd, activeDirectpryDomain);
    ldapConnection.SessionOptions.SecureSocketLayer = true;
    ldapConnection.Credential = networkCredential;
    ldapConnection.SessionOptions.VerifyServerCertificate = new VerifyServerCertificateCallback(ServerCallback);
    ldapConnection.SessionOptions.ProtocolVersion = 3;
    ldapConnection.AuthType = AuthType.Basic;
    ldapConnection.Bind(networkCredential);
}

 

 

If anyone already tried with that please help me