if err = validateConfig(ctx, cfg, subSys); err != nil {

		var validationErr ldap.Validation
		if errors.As(err, &validationErr) {
			// If we got an LDAP validation error, we need to send appropriate
			// error message back to client (likely mc).
			writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigLDAPValidation),
				validationErr.FormatError(), r.URL)
			return
		}