diff --git a/src/backend/commands/subscriptioncmds.c b/src/backend/commands/subscriptioncmds.c
index 0b3c8499b49..55ba4bfb53e 100644
--- a/src/backend/commands/subscriptioncmds.c
+++ b/src/backend/commands/subscriptioncmds.c
@@ -906,7 +906,14 @@ CreateSubscription(ParseState *pstate, CreateSubscriptionStmt *stmt,
 	 * conflict during replication.
 	 */
 	if (opts.enabled || opts.retaindeadtuples)
+	{
+		if (max_logical_replication_workers == 0)
+			ereport(WARNING,
+					(errmsg("subscription was created, but logical replication is disabled"),
+					 errhint("To initiate replication, set \"max_logical_replication_workers\" to a non zero value.")));
+
 		ApplyLauncherWakeupAtCommit();
+	}
 
 	ObjectAddressSet(myself, SubscriptionRelationId, subid);
 
@@ -1694,7 +1701,14 @@ AlterSubscription(ParseState *pstate, AlterSubscriptionStmt *stmt,
 				replaces[Anum_pg_subscription_subenabled - 1] = true;
 
 				if (opts.enabled)
+				{
+					if (max_logical_replication_workers == 0)
+						ereport(WARNING,
+								(errmsg("subscription was enabled, but logical replication is disabled"),
+								 errhint("To initiate replication, set \"max_logical_replication_workers\" to a non zero value.")));
+
 					ApplyLauncherWakeupAtCommit();
+				}
 
 				update_tuple = true;
 
-- 
2.43.0