diff --git a/crates/defguard_core/src/db/models/user.rs b/crates/defguard_core/src/db/models/user.rs
index 9c4061d0d4..d087712971 100644
--- a/crates/defguard_core/src/db/models/user.rs
+++ b/crates/defguard_core/src/db/models/user.rs
@@ -435,18 +435,19 @@ impl User<Id> {
             let gateway_events = network
                 .sync_allowed_devices_for_user(&mut *conn, self, None)
                 .await?;
+
             // check if any peers were updated
             if !gateway_events.is_empty() {
                 // send peer update events
                 send_multiple_wireguard_events(gateway_events, wg_tx);
+            }
 
-                // send firewall config update if ACLs & enterprise features are enabled
-                if let Some(firewall_config) = network.try_get_firewall_config(&mut *conn).await? {
-                    send_wireguard_event(
-                        GatewayEvent::FirewallConfigChanged(network.id, firewall_config),
-                        wg_tx,
-                    );
-                }
+            // send firewall config update if ACLs & enterprise features are enabled
+            if let Some(firewall_config) = network.try_get_firewall_config(&mut *conn).await? {
+                send_wireguard_event(
+                    GatewayEvent::FirewallConfigChanged(network.id, firewall_config),
+                    wg_tx,
+                );
             }
         }
         info!("Allowed devices of user {} synced", self.username);
diff --git a/crates/defguard_core/src/grpc/enrollment.rs b/crates/defguard_core/src/grpc/enrollment.rs
index 6e8a53ed38..9cb362bb06 100644
--- a/crates/defguard_core/src/grpc/enrollment.rs
+++ b/crates/defguard_core/src/grpc/enrollment.rs
@@ -1,3 +1,5 @@
+use std::collections::HashSet;
+
 use sqlx::{PgPool, Transaction};
 use tokio::sync::{
     broadcast::Sender,
@@ -20,7 +22,7 @@ use crate::{
             enrollment::{Token, TokenError, ENROLLMENT_TOKEN_TYPE},
             polling_token::PollingToken,
         },
-        Device, GatewayEvent, Id, Settings, User,
+        Device, GatewayEvent, Id, Settings, User, WireguardNetwork,
     },
     enterprise::{
         db::models::enterprise_settings::EnterpriseSettings, ldap::utils::ldap_add_user,
@@ -274,7 +276,7 @@ impl EnrollmentServer {
             ip_address = String::new();
             device_info = None;
         }
-        debug!("IP address {}, device info {device_info:?}", ip_address);
+        debug!("IP address {ip_address}, device info {device_info:?}");
 
         // check if password is strong enough
         debug!("Verifying password strength for user activation process.");
@@ -588,6 +590,39 @@ impl EnrollmentServer {
             (device, network_info, configs)
         };
 
+        // get all locations affected by device being added
+        let mut affected_location_ids = HashSet::new();
+        for network_info_item in network_info.clone() {
+            affected_location_ids.insert(network_info_item.network_id);
+        }
+
+        // send firewall config updates to affected locations
+        // if they have ACL enabled & enterprise features are active
+        for location_id in affected_location_ids {
+            if let Some(location) = WireguardNetwork::find_by_id(&mut *transaction, location_id)
+                .await
+                .map_err(|err| {
+                    error!("Failed to fetch WireguardNetwork with ID {location_id}: {err}",);
+                    Status::internal("unexpected error")
+                })?
+            {
+                if let Some(firewall_config) = location
+                    .try_get_firewall_config(&mut transaction)
+                    .await
+                    .map_err(|err| {
+                        error!("Failed to get firewall config for location {location}: {err}",);
+                        Status::internal("unexpected error")
+                    })?
+                {
+                    debug!("Sending firewall config update for location {location} affected by adding new device {}, user {}({})", device.wireguard_pubkey, user.username, user.id);
+                    self.send_wireguard_event(GatewayEvent::FirewallConfigChanged(
+                        location_id,
+                        firewall_config,
+                    ));
+                }
+            }
+        }
+
         debug!(
             "Sending DeviceCreated event to gateway for device {}, user {}({:?})",
             device.wireguard_pubkey, user.username, user.id,