[x-pack][metricbeat][iis] improve error handling on pdh counters in a…

…pplication_pool data stream

x-pack/metricbeat/module/iis/application_pool/reader.go

@@ -10,6 +10,7 @@ import (
 	"errors"
 	"fmt"
 	"strings"
+	"syscall"
 
 	"github.com/elastic/beats/v7/metricbeat/helper/windows/pdh"
 	"github.com/elastic/elastic-agent-libs/mapstr"
@@ -116,7 +117,7 @@ func (r *Reader) initAppPools() error {
 	for key, value := range appPoolCounters {
 		childQueries, err := r.query.GetCounterPaths(value)
 		if err != nil {
-			if errors.Is(err, pdh.PDH_CSTATUS_NO_COUNTER) || errors.Is(err, pdh.PDH_CSTATUS_NO_COUNTERNAME) || errors.Is(err, pdh.PDH_CSTATUS_NO_INSTANCE) || errors.Is(err, pdh.PDH_CSTATUS_NO_OBJECT) {
+			if err == pdh.PdhErrno(syscall.ERROR_NOT_FOUND) || errors.Is(err, pdh.PDH_CSTATUS_NO_COUNTER) || errors.Is(err, pdh.PDH_CSTATUS_NO_COUNTERNAME) || errors.Is(err, pdh.PDH_CSTATUS_NO_INSTANCE) || errors.Is(err, pdh.PDH_CSTATUS_NO_OBJECT) {
 				r.log.Infow("Ignoring non existent counter", "error", err,
 					logp.Namespace("application pool"), "query", value)
 			} else {