if policiesDiffer {
				return []string{}, fmt.Errorf("multiple DNs map to the same LDAP DN[%s]: %v; please remove DNs that are not needed",
					normKey, origKeys)
			}

			if len(origKeys[1:]) > 0 {
				// Log that extra DN mappings will not be imported.
				iamLogEvent(ctx, "import-ldap-normalize: extraneous DN mappings found for LDAP DN[%s]: %v will not be imported", origKeys[0], origKeys[1:])
			}

		for k, v := range cred.Claims {
			if k == expClaim {
				continue
			}
			opts.claims[k] = v
		}
	} else if globalIAMSys.LDAPConfig.Enabled() {
		// In case of LDAP we need to resolve the targetUser to a DN and
		// query their groups:
		opts.claims[ldapUserN] = targetUser // simple username
		var lookupResult *xldap.DNSearchResult
		lookupResult, targetGroups, err = globalIAMSys.LDAPConfig.LookupUserDN(targetUser)

		HTTPStatusCode: http.StatusNotImplemented,
	},
	ErrAdminLDAPExpectedLoginName: {
		Code:           "XMinioLDAPExpectedLoginName",
		Description:    "Expected LDAP short username but was given full DN.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrAdminInvalidGroupName: {
		Code:           "XMinioInvalidGroupName",
		Description:    "The group name is invalid.",
		HTTPStatusCode: http.StatusBadRequest,