diff --git a/cmd/satellite/admin.go b/cmd/satellite/admin.go
index 84187a790..a7557454f 100644
--- a/cmd/satellite/admin.go
+++ b/cmd/satellite/admin.go
@@ -27,6 +27,7 @@ func cmdAdminRun(cmd *cobra.Command, args []string) (err error) {
 	}
 
 	db, err := satellitedb.Open(ctx, log.Named("db"), runCfg.Database, satellitedb.Options{
+		ApplicationName:   "satellite-admin",
 		APIKeysLRUOptions: runCfg.APIKeysLRUOptions(),
 	})
 	if err != nil {
diff --git a/cmd/satellite/api.go b/cmd/satellite/api.go
index c40e128f7..28171635b 100644
--- a/cmd/satellite/api.go
+++ b/cmd/satellite/api.go
@@ -32,6 +32,7 @@ func cmdAPIRun(cmd *cobra.Command, args []string) (err error) {
 	}
 
 	db, err := satellitedb.Open(ctx, log.Named("db"), runCfg.Database, satellitedb.Options{
+		ApplicationName:      "satellite-api",
 		APIKeysLRUOptions:    runCfg.APIKeysLRUOptions(),
 		RevocationLRUOptions: runCfg.RevocationLRUOptions(),
 	})
@@ -42,7 +43,7 @@ func cmdAPIRun(cmd *cobra.Command, args []string) (err error) {
 		err = errs.Combine(err, db.Close())
 	}()
 
-	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Config.Metainfo.DatabaseURL)
+	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Config.Metainfo.DatabaseURL, "satellite-api")
 	if err != nil {
 		return errs.New("Error creating metainfodb connection on satellite api: %+v", err)
 	}
diff --git a/cmd/satellite/billing.go b/cmd/satellite/billing.go
index ef3e050bd..6b71b8dc4 100644
--- a/cmd/satellite/billing.go
+++ b/cmd/satellite/billing.go
@@ -24,7 +24,7 @@ import (
 func runBillingCmd(ctx context.Context, cmdFunc func(context.Context, *stripecoinpayments.Service, *dbx.DB) error) error {
 	// Open SatelliteDB for the Payment Service
 	logger := zap.L()
-	db, err := satellitedb.Open(ctx, logger.Named("db"), runCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, logger.Named("db"), runCfg.Database, satellitedb.Options{ApplicationName: "satellite-billing"})
 	if err != nil {
 		return errs.New("error connecting to master database on satellite: %+v", err)
 	}
diff --git a/cmd/satellite/compensation.go b/cmd/satellite/compensation.go
index 1420f2c88..01d9c8e70 100644
--- a/cmd/satellite/compensation.go
+++ b/cmd/satellite/compensation.go
@@ -32,7 +32,7 @@ func generateInvoicesCSV(ctx context.Context, period compensation.Period, out io
 		WithheldPercents: generateInvoicesCfg.Compensation.WithheldPercents,
 	}
 
-	db, err := satellitedb.Open(ctx, zap.L().Named("db"), generateInvoicesCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, zap.L().Named("db"), generateInvoicesCfg.Database, satellitedb.Options{ApplicationName: "satellite-compensation"})
 	if err != nil {
 		return errs.New("error connecting to master database on satellite: %+v", err)
 	}
@@ -141,7 +141,7 @@ func recordPeriod(ctx context.Context, paystubsCSV, paymentsCSV string) (int, in
 		return 0, 0, err
 	}
 
-	db, err := satellitedb.Open(ctx, zap.L().Named("db"), recordPeriodCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, zap.L().Named("db"), recordPeriodCfg.Database, satellitedb.Options{ApplicationName: "satellite-compensation"})
 	if err != nil {
 		return 0, 0, errs.New("error connecting to master database on satellite: %+v", err)
 	}
@@ -165,7 +165,7 @@ func recordOneOffPayments(ctx context.Context, paymentsCSV string) (int, error)
 		return 0, err
 	}
 
-	db, err := satellitedb.Open(ctx, zap.L().Named("db"), recordOneOffPaymentsCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, zap.L().Named("db"), recordOneOffPaymentsCfg.Database, satellitedb.Options{ApplicationName: "satellite-compensation"})
 	if err != nil {
 		return 0, errs.New("error connecting to master database on satellite: %+v", err)
 	}
diff --git a/cmd/satellite/gc.go b/cmd/satellite/gc.go
index 44f14fa85..4e63e28a7 100644
--- a/cmd/satellite/gc.go
+++ b/cmd/satellite/gc.go
@@ -28,7 +28,7 @@ func cmdGCRun(cmd *cobra.Command, args []string) (err error) {
 		return errs.New("Failed to load identity: %+v", err)
 	}
 
-	db, err := satellitedb.Open(ctx, log.Named("db"), runCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, log.Named("db"), runCfg.Database, satellitedb.Options{ApplicationName: "satellite-gc"})
 	if err != nil {
 		return errs.New("Error starting master database on satellite GC: %+v", err)
 	}
@@ -36,7 +36,7 @@ func cmdGCRun(cmd *cobra.Command, args []string) (err error) {
 		err = errs.Combine(err, db.Close())
 	}()
 
-	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Metainfo.DatabaseURL)
+	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Metainfo.DatabaseURL, "satellite-gc")
 	if err != nil {
 		return errs.New("Error creating pointerDB connection GC: %+v", err)
 	}
diff --git a/cmd/satellite/gracefulexit.go b/cmd/satellite/gracefulexit.go
index 1a83511af..4ca8de379 100644
--- a/cmd/satellite/gracefulexit.go
+++ b/cmd/satellite/gracefulexit.go
@@ -27,7 +27,7 @@ import (
 
 // generateGracefulExitCSV creates a report with graceful exit data for exiting or exited nodes in a given period.
 func generateGracefulExitCSV(ctx context.Context, completed bool, start time.Time, end time.Time, output io.Writer) error {
-	db, err := satellitedb.Open(ctx, zap.L().Named("db"), gracefulExitCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, zap.L().Named("db"), gracefulExitCfg.Database, satellitedb.Options{ApplicationName: "satellite-gracefulexit"})
 	if err != nil {
 		return errs.New("error connecting to master database on satellite: %+v", err)
 	}
diff --git a/cmd/satellite/main.go b/cmd/satellite/main.go
index 1592ec00e..a4af0e63d 100644
--- a/cmd/satellite/main.go
+++ b/cmd/satellite/main.go
@@ -326,6 +326,7 @@ func cmdRun(cmd *cobra.Command, args []string) (err error) {
 	}
 
 	db, err := satellitedb.Open(ctx, log.Named("db"), runCfg.Database, satellitedb.Options{
+		ApplicationName:              "satellite-core",
 		ReportedRollupsReadBatchSize: runCfg.Orders.SettlementBatchSize,
 		SaveRollupBatchSize:          runCfg.Tally.SaveRollupBatchSize,
 		ReadRollupBatchSize:          runCfg.Tally.ReadRollupBatchSize,
@@ -337,7 +338,7 @@ func cmdRun(cmd *cobra.Command, args []string) (err error) {
 		err = errs.Combine(err, db.Close())
 	}()
 
-	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Metainfo.DatabaseURL)
+	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Metainfo.DatabaseURL, "satellite-core")
 	if err != nil {
 		return errs.New("Error creating metainfodb connection: %+v", err)
 	}
@@ -401,7 +402,7 @@ func cmdMigrationRun(cmd *cobra.Command, args []string) (err error) {
 	ctx, _ := process.Ctx(cmd)
 	log := zap.L()
 
-	db, err := satellitedb.Open(ctx, log.Named("migration"), runCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, log.Named("migration"), runCfg.Database, satellitedb.Options{ApplicationName: "satellite-migration"})
 	if err != nil {
 		return errs.New("Error creating new master database connection for satellitedb migration: %+v", err)
 	}
@@ -414,7 +415,7 @@ func cmdMigrationRun(cmd *cobra.Command, args []string) (err error) {
 		return errs.New("Error creating tables for master database on satellite: %+v", err)
 	}
 
-	pdb, err := metainfo.OpenStore(ctx, log.Named("migration"), runCfg.Metainfo.DatabaseURL)
+	pdb, err := metainfo.OpenStore(ctx, log.Named("migration"), runCfg.Metainfo.DatabaseURL, "satellite-migration")
 	if err != nil {
 		return errs.New("Error creating pointer database connection on satellite: %+v", err)
 	}
@@ -452,7 +453,7 @@ func cmdQDiag(cmd *cobra.Command, args []string) (err error) {
 	ctx, _ := process.Ctx(cmd)
 
 	// open the master db
-	database, err := satellitedb.Open(ctx, zap.L().Named("db"), qdiagCfg.Database, satellitedb.Options{})
+	database, err := satellitedb.Open(ctx, zap.L().Named("db"), qdiagCfg.Database, satellitedb.Options{ApplicationName: "satellite-qdiag"})
 	if err != nil {
 		return errs.New("error connecting to master database on satellite: %+v", err)
 	}
diff --git a/cmd/satellite/repairer.go b/cmd/satellite/repairer.go
index 67810fe4a..839d303ec 100644
--- a/cmd/satellite/repairer.go
+++ b/cmd/satellite/repairer.go
@@ -31,7 +31,7 @@ func cmdRepairerRun(cmd *cobra.Command, args []string) (err error) {
 		return errs.New("Failed to load identity: %+v", err)
 	}
 
-	db, err := satellitedb.Open(ctx, log.Named("db"), runCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, log.Named("db"), runCfg.Database, satellitedb.Options{ApplicationName: "satellite-repairer"})
 	if err != nil {
 		return errs.New("Error starting master database: %+v", err)
 	}
@@ -39,7 +39,7 @@ func cmdRepairerRun(cmd *cobra.Command, args []string) (err error) {
 		err = errs.Combine(err, db.Close())
 	}()
 
-	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Metainfo.DatabaseURL)
+	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), runCfg.Metainfo.DatabaseURL, "satellite-repairer")
 	if err != nil {
 		return errs.New("Error creating metainfo database connection: %+v", err)
 	}
diff --git a/cmd/satellite/reports/attribution.go b/cmd/satellite/reports/attribution.go
index ab368c9f4..abe74fbe8 100644
--- a/cmd/satellite/reports/attribution.go
+++ b/cmd/satellite/reports/attribution.go
@@ -32,7 +32,7 @@ var headers = []string{
 // GenerateAttributionCSV creates a report with.
 func GenerateAttributionCSV(ctx context.Context, database string, partnerID uuid.UUID, start time.Time, end time.Time, output io.Writer) error {
 	log := zap.L().Named("db")
-	db, err := satellitedb.Open(ctx, log, database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, log, database, satellitedb.Options{ApplicationName: "satellite-attribution"})
 	if err != nil {
 		return errs.New("error connecting to master database on satellite: %+v", err)
 	}
diff --git a/cmd/satellite/usage.go b/cmd/satellite/usage.go
index b36a9ed66..407745229 100644
--- a/cmd/satellite/usage.go
+++ b/cmd/satellite/usage.go
@@ -21,7 +21,7 @@ import (
 
 // generateNodeUsageCSV creates a report with node usage data for all nodes in a given period which can be used for payments.
 func generateNodeUsageCSV(ctx context.Context, start time.Time, end time.Time, output io.Writer) error {
-	db, err := satellitedb.Open(ctx, zap.L().Named("db"), nodeUsageCfg.Database, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, zap.L().Named("db"), nodeUsageCfg.Database, satellitedb.Options{ApplicationName: "satellite-nodeusage"})
 	if err != nil {
 		return errs.New("error connecting to master database on satellite: %+v", err)
 	}
diff --git a/cmd/segment-reaper/delete.go b/cmd/segment-reaper/delete.go
index 834e41f42..d4eccabd4 100644
--- a/cmd/segment-reaper/delete.go
+++ b/cmd/segment-reaper/delete.go
@@ -49,7 +49,7 @@ func cmdDelete(cmd *cobra.Command, args []string) (err error) {
 	ctx, _ := process.Ctx(cmd)
 
 	log := zap.L()
-	db, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), deleteCfg.DatabaseURL)
+	db, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), deleteCfg.DatabaseURL, "satellite-reaper")
 	if err != nil {
 		return errs.New("error connecting database: %+v", err)
 	}
diff --git a/cmd/segment-reaper/detect.go b/cmd/segment-reaper/detect.go
index 54d79ff1c..2bf98f855 100644
--- a/cmd/segment-reaper/detect.go
+++ b/cmd/segment-reaper/detect.go
@@ -49,7 +49,7 @@ func cmdDetect(cmd *cobra.Command, args []string) (err error) {
 		log.Warn("Failed to initialize telemetry batcher on segment reaper", zap.Error(err))
 	}
 
-	db, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), detectCfg.DatabaseURL)
+	db, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), detectCfg.DatabaseURL, "satellite-reaper")
 	if err != nil {
 		return errs.New("error connecting database: %+v", err)
 	}
diff --git a/multinode/multinodedb/database.go b/multinode/multinodedb/database.go
index be05ac5a8..e9c651930 100644
--- a/multinode/multinodedb/database.go
+++ b/multinode/multinodedb/database.go
@@ -52,7 +52,10 @@ func Open(ctx context.Context, log *zap.Logger, databaseURL string) (multinode.D
 		return nil, Error.New("unsupported driver %q", driver)
 	}
 
-	source = pgutil.CheckApplicationName(source)
+	source, err = pgutil.CheckApplicationName(source, "storagenode-multinode")
+	if err != nil {
+		return nil, err
+	}
 
 	dbxDB, err := dbx.Open(driver, source)
 	if err != nil {
diff --git a/private/dbutil/pgutil/db.go b/private/dbutil/pgutil/db.go
index 1bb58b1d7..752adbf44 100644
--- a/private/dbutil/pgutil/db.go
+++ b/private/dbutil/pgutil/db.go
@@ -92,17 +92,21 @@ func QuerySnapshot(ctx context.Context, db dbschema.Queryer) (*dbschema.Snapshot
 }
 
 // CheckApplicationName ensures that the Connection String contains an application name.
-func CheckApplicationName(s string) (r string) {
+func CheckApplicationName(s string, app string) (string, error) {
 	if !strings.Contains(s, "application_name") {
-		if !strings.Contains(s, "?") {
-			r = s + "?application_name=Satellite"
-			return
+		if strings.TrimSpace(app) == "" {
+			return s, errs.New("application name cannot be empty")
 		}
-		r = s + "&application_name=Satellite"
-		return
+
+		if !strings.Contains(s, "?") {
+			return s + "?application_name=" + app, nil
+
+		}
+
+		return s + "&application_name=" + app, nil
 	}
 	// return source as is if application_name is set
-	return s
+	return s, nil
 }
 
 // IsConstraintError checks if given error is about constraint violation.
diff --git a/satellite/metainfo/config.go b/satellite/metainfo/config.go
index 88f6e0441..1b7663e6f 100644
--- a/satellite/metainfo/config.go
+++ b/satellite/metainfo/config.go
@@ -140,7 +140,7 @@ type PointerDB interface {
 }
 
 // OpenStore returns database for storing pointer data.
-func OpenStore(ctx context.Context, logger *zap.Logger, dbURLString string) (db PointerDB, err error) {
+func OpenStore(ctx context.Context, logger *zap.Logger, dbURLString string, app string) (db PointerDB, err error) {
 	_, source, implementation, err := dbutil.SplitConnStr(dbURLString)
 	if err != nil {
 		return nil, err
@@ -148,9 +148,9 @@ func OpenStore(ctx context.Context, logger *zap.Logger, dbURLString string) (db
 
 	switch implementation {
 	case dbutil.Postgres:
-		db, err = postgreskv.Open(ctx, source)
+		db, err = postgreskv.Open(ctx, source, app)
 	case dbutil.Cockroach:
-		db, err = cockroachkv.Open(ctx, source)
+		db, err = cockroachkv.Open(ctx, source, app)
 	default:
 		err = Error.New("unsupported db implementation: %s", dbURLString)
 	}
diff --git a/satellite/satellitedb/database.go b/satellite/satellitedb/database.go
index 0eab7f617..90221de01 100644
--- a/satellite/satellitedb/database.go
+++ b/satellite/satellitedb/database.go
@@ -66,6 +66,7 @@ type satelliteDB struct {
 
 // Options includes options for how a satelliteDB runs.
 type Options struct {
+	ApplicationName      string
 	APIKeysLRUOptions    cache.Options
 	RevocationLRUOptions cache.Options
 
@@ -121,7 +122,10 @@ func open(ctx context.Context, log *zap.Logger, databaseURL string, opts Options
 		return nil, Error.New("unsupported driver %q", driver)
 	}
 
-	source = pgutil.CheckApplicationName(source)
+	source, err = pgutil.CheckApplicationName(source, opts.ApplicationName)
+	if err != nil {
+		return nil, err
+	}
 
 	dbxDB, err := dbx.Open(driver, source)
 	if err != nil {
diff --git a/satellite/satellitedb/migrate_test.go b/satellite/satellitedb/migrate_test.go
index ffe694b1d..5a2d952d7 100644
--- a/satellite/satellitedb/migrate_test.go
+++ b/satellite/satellitedb/migrate_test.go
@@ -157,7 +157,7 @@ func migrateTest(t *testing.T, connStr string) {
 	defer func() { require.NoError(t, tempDB.Close()) }()
 
 	// create a new satellitedb connection
-	db, err := satellitedb.Open(ctx, log, tempDB.ConnStr, satellitedb.Options{})
+	db, err := satellitedb.Open(ctx, log, tempDB.ConnStr, satellitedb.Options{ApplicationName: "satellite-migration-test"})
 	require.NoError(t, err)
 	defer func() { require.NoError(t, db.Close()) }()
 
@@ -249,7 +249,7 @@ func benchmarkSetup(b *testing.B, connStr string, merged bool) {
 			defer func() { require.NoError(b, tempDB.Close()) }()
 
 			// create a new satellitedb connection
-			db, err := satellitedb.Open(ctx, log, tempDB.ConnStr, satellitedb.Options{})
+			db, err := satellitedb.Open(ctx, log, tempDB.ConnStr, satellitedb.Options{ApplicationName: "satellite-migration-test"})
 			require.NoError(b, err)
 			defer func() { require.NoError(b, db.Close()) }()
 
diff --git a/satellite/satellitedb/satellitedbtest/run.go b/satellite/satellitedb/satellitedbtest/run.go
index ec9e5c02b..58ab80fb4 100644
--- a/satellite/satellitedb/satellitedbtest/run.go
+++ b/satellite/satellitedb/satellitedbtest/run.go
@@ -119,7 +119,7 @@ func CreateMasterDB(ctx context.Context, log *zap.Logger, name string, category
 // CreateMasterDBOnTopOf creates a new satellite database on top of an already existing
 // temporary database.
 func CreateMasterDBOnTopOf(ctx context.Context, log *zap.Logger, tempDB *dbutil.TempDatabase) (db satellite.DB, err error) {
-	masterDB, err := satellitedb.Open(ctx, log.Named("db"), tempDB.ConnStr, satellitedb.Options{})
+	masterDB, err := satellitedb.Open(ctx, log.Named("db"), tempDB.ConnStr, satellitedb.Options{ApplicationName: "satellite-satellitdb-test"})
 	return &tempMasterDB{DB: masterDB, tempDB: tempDB}, err
 }
 
@@ -156,7 +156,7 @@ func CreatePointerDB(ctx context.Context, log *zap.Logger, name string, category
 // CreatePointerDBOnTopOf creates a new satellite database on top of an already existing
 // temporary database.
 func CreatePointerDBOnTopOf(ctx context.Context, log *zap.Logger, tempDB *dbutil.TempDatabase) (db metainfo.PointerDB, err error) {
-	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), tempDB.ConnStr)
+	pointerDB, err := metainfo.OpenStore(ctx, log.Named("pointerdb"), tempDB.ConnStr, "satellite-satellitdb-test")
 	if err != nil {
 		return nil, err
 	}
diff --git a/storage/cockroachkv/client.go b/storage/cockroachkv/client.go
index 24e8d21e8..083e78a3a 100644
--- a/storage/cockroachkv/client.go
+++ b/storage/cockroachkv/client.go
@@ -34,8 +34,11 @@ type Client struct {
 }
 
 // Open connects a new cockroachkv client given db URL.
-func Open(ctx context.Context, dbURL string) (*Client, error) {
-	dbURL = pgutil.CheckApplicationName(dbURL)
+func Open(ctx context.Context, dbURL string, app string) (*Client, error) {
+	dbURL, err := pgutil.CheckApplicationName(dbURL, app)
+	if err != nil {
+		return nil, err
+	}
 
 	db, err := tagsql.Open(ctx, "cockroach", dbURL)
 	if err != nil {
diff --git a/storage/postgreskv/client.go b/storage/postgreskv/client.go
index ffb82f908..63bf64f3c 100644
--- a/storage/postgreskv/client.go
+++ b/storage/postgreskv/client.go
@@ -31,8 +31,11 @@ type Client struct {
 }
 
 // Open connects a new postgreskv client given db URL.
-func Open(ctx context.Context, dbURL string) (*Client, error) {
-	dbURL = pgutil.CheckApplicationName(dbURL)
+func Open(ctx context.Context, dbURL string, app string) (*Client, error) {
+	dbURL, err := pgutil.CheckApplicationName(dbURL, app)
+	if err != nil {
+		return nil, err
+	}
 
 	db, err := tagsql.Open(ctx, "pgx", dbURL)
 	if err != nil {
diff --git a/storage/postgreskv/client_test.go b/storage/postgreskv/client_test.go
index 1db2e2177..67bb25ecb 100644
--- a/storage/postgreskv/client_test.go
+++ b/storage/postgreskv/client_test.go
@@ -23,7 +23,7 @@ import (
 func openTestPostgres(ctx context.Context, t testing.TB) (store *Client, cleanup func()) {
 	connstr := pgtest.PickPostgres(t)
 
-	pgdb, err := Open(ctx, connstr)
+	pgdb, err := Open(ctx, connstr, "satellite-test-postgres")
 	if err != nil {
 		t.Fatalf("init: %v", err)
 	}