diff --git a/cmd/collectors/ems/ems.go b/cmd/collectors/ems/ems.go
index e3dc3edac..ef85f9cc7 100644
--- a/cmd/collectors/ems/ems.go
+++ b/cmd/collectors/ems/ems.go
@@ -208,7 +208,7 @@ func (e *Ems) InitCache() error {
 
 		// check if name is present in template
 		if line.GetChildContentS("name") == "" {
-			e.Logger.Warn().Msg("Missing event name")
+			e.Logger.Error().Msg("Missing event name")
 			continue
 		}
 
@@ -509,7 +509,7 @@ func (e *Ems) HandleResults(result []gjson.Result, prop map[string][]*emsProp) (
 		messageName := instanceData.Get("message.name")
 		// verify if message name exists in ONTAP response
 		if !messageName.Exists() {
-			e.Logger.Warn().Msg("skip instance, missing message name")
+			e.Logger.Error().Msg("skip instance, missing message name")
 			continue
 		}
 		msgName := messageName.String()
@@ -686,7 +686,7 @@ func (e *Ems) getInstanceKeys(p *emsProp, instanceData gjson.Result) string {
 		if value.Exists() {
 			instanceKey += Hyphen + value.String()
 		} else {
-			e.Logger.Warn().Str("key", k).Msg("skip instance, missing key")
+			e.Logger.Error().Str("key", k).Msg("skip instance, missing key")
 			break
 		}
 	}
diff --git a/cmd/collectors/ems/templating.go b/cmd/collectors/ems/templating.go
index 22d1941af..06bc1c4f9 100644
--- a/cmd/collectors/ems/templating.go
+++ b/cmd/collectors/ems/templating.go
@@ -75,8 +75,8 @@ func (e *Ems) ParseDefaults(prop *emsProp) {
 func (e *Ems) ParseExports(counter *node.Node, prop *emsProp) {
 	var (
 		display, name, key string
-		bookendKeys        []string
 	)
+	bookendKeys := make(map[string]string)
 
 	for _, c := range counter.GetAllChildContentS() {
 		if c != "" {
@@ -91,7 +91,7 @@ func (e *Ems) ParseExports(counter *node.Node, prop *emsProp) {
 
 			if key == "key" {
 				// only for bookend EMS
-				bookendKeys = append(bookendKeys, name)
+				bookendKeys[display] = name
 				e.Logger.Debug().
 					Str("name", name).
 					Str("display", display).
@@ -102,7 +102,11 @@ func (e *Ems) ParseExports(counter *node.Node, prop *emsProp) {
 
 	// For bookend case, instanceKeys are replaced with bookendKeys
 	if len(bookendKeys) > 0 {
-		prop.InstanceKeys = append(prop.InstanceKeys, bookendKeys...)
+		sortedBookendKeys := util.GetSortedKeys(bookendKeys)
+		// Append instance keys to ems prop
+		for _, k := range sortedBookendKeys {
+			prop.InstanceKeys = append(prop.InstanceKeys, bookendKeys[k])
+		}
 	}
 }
 
@@ -116,7 +120,7 @@ func (e *Ems) ParseResolveEms(resolveEvent *node.Node, issueEmsProp emsProp) {
 
 	// check if resolvedby is present in template
 	if resolveEmsName = resolveEvent.GetChildContentS("name"); resolveEmsName == "" {
-		e.Logger.Warn().Msg("Missing resolving event name")
+		e.Logger.Error().Msg("Missing resolving event name")
 		return
 	}
 	prop.Name = resolveEmsName
@@ -132,7 +136,7 @@ func (e *Ems) ParseResolveEms(resolveEvent *node.Node, issueEmsProp emsProp) {
 		} else {
 			// If bookendKey is missing in IssueEms, the  default bookendKey is index of IssueEMs
 			prop.InstanceKeys = issueEmsProp.InstanceKeys[0:1]
-			e.Logger.Warn().Str("Ems name", issueEmsProp.Name).Msg("Missing bookend keys")
+			e.Logger.Error().Str("Ems name", issueEmsProp.Name).Msg("Missing bookend keys")
 		}
 	} else {
 		e.ParseExports(resolveKey, &prop)
diff --git a/cmd/collectors/rest/templating.go b/cmd/collectors/rest/templating.go
index e68178ed9..e0ba07193 100644
--- a/cmd/collectors/rest/templating.go
+++ b/cmd/collectors/rest/templating.go
@@ -6,7 +6,6 @@ import (
 	"github.com/netapp/harvest/v2/pkg/tree/node"
 	"github.com/netapp/harvest/v2/pkg/util"
 	"regexp"
-	"sort"
 	"strconv"
 	"strings"
 	"time"
@@ -194,11 +193,7 @@ func (r *Rest) ParseRestCounters(counter *node.Node, prop *prop) {
 
 	// populate prop.instanceKeys
 	// sort keys by display name. This is needed to match counter and endpoints keys
-	var keys []string
-	for k := range instanceKeys {
-		keys = append(keys, k)
-	}
-	sort.Strings(keys)
+	keys := util.GetSortedKeys(instanceKeys)
 
 	// Append instance keys to prop
 	for _, k := range keys {
diff --git a/pkg/util/util.go b/pkg/util/util.go
index e5297274c..7ac85bf16 100644
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@@ -15,6 +15,7 @@ import (
 	"net/url"
 	"os"
 	"regexp"
+	"sort"
 	"strconv"
 	"strings"
 )
@@ -405,3 +406,12 @@ func HasDuplicates(slice []string) bool {
 
 	return false
 }
+
+func GetSortedKeys(m map[string]string) []string {
+	var sortedKeys []string
+	for k := range m {
+		sortedKeys = append(sortedKeys, k)
+	}
+	sort.Strings(sortedKeys)
+	return sortedKeys
+}