diff --git a/src/common/dao/base.go b/src/common/dao/base.go
index f3d7a4ed1..4de0f8648 100644
--- a/src/common/dao/base.go
+++ b/src/common/dao/base.go
@@ -126,6 +126,12 @@ func GetOrmer() orm.Ormer {
 	return globalOrm
 }
 
+// isDupRecErr checks if the error is due to a duplication of record, currently this
+// works only for pgSQL
+func isDupRecErr(e error) bool {
+	return strings.Contains(e.Error(), "duplicate key value violates unique constraint")
+}
+
 // ClearTable is the shortcut for test cases, it should be called only in test cases.
 func ClearTable(table string) error {
 	o := GetOrmer()
diff --git a/src/common/dao/config.go b/src/common/dao/config.go
index 98928e2ae..65ec6e195 100644
--- a/src/common/dao/config.go
+++ b/src/common/dao/config.go
@@ -18,6 +18,7 @@ import (
 	"github.com/goharbor/harbor/src/common"
 	"github.com/goharbor/harbor/src/common/models"
 	"github.com/goharbor/harbor/src/common/utils"
+	"github.com/goharbor/harbor/src/common/utils/log"
 )
 
 // AuthModeCanBeModified determines whether auth mode can be
@@ -60,7 +61,8 @@ func SaveConfigEntries(entries []models.ConfigEntry) error {
 		tempEntry.Key = entry.Key
 		tempEntry.Value = entry.Value
 		created, _, err := o.ReadOrCreate(&tempEntry, "k")
-		if err != nil {
+		if err != nil && !isDupRecErr(err) {
+			log.Errorf("Error create configuration entry: %v", err)
 			return err
 		}
 		if !created {
diff --git a/src/common/dao/dao_test.go b/src/common/dao/dao_test.go
index 4b2fd7bf2..1751897cf 100644
--- a/src/common/dao/dao_test.go
+++ b/src/common/dao/dao_test.go
@@ -15,6 +15,7 @@
 package dao
 
 import (
+	"fmt"
 	"os"
 	"testing"
 	"time"
@@ -1486,5 +1487,9 @@ func TestSaveConfigEntries(t *testing.T) {
 	if findItem != 3 {
 		t.Fatalf("Should update 3 configuration but only update %d", findItem)
 	}
-
+}
+
+func TestIsDupRecError(t *testing.T) {
+	assert.True(t, isDupRecErr(fmt.Errorf("pq: duplicate key value violates unique constraint \"properties_k_key\"")))
+	assert.False(t, isDupRecErr(fmt.Errorf("other error")))
 }