diff --git a/configs/nottingham/nottingham-mdf-4507.cfg b/configs/nottingham/nottingham-mdf-4507.cfg
index 1e47770..45b8bfd 100644
--- a/configs/nottingham/nottingham-mdf-4507.cfg
+++ b/configs/nottingham/nottingham-mdf-4507.cfg
@@ -1,9 +1,9 @@
 Building configuration...
 
-Current configuration : 39726 bytes
+Current configuration : 39543 bytes
 !
-! Last configuration change at 07:40:55 EDT Tue Mar 31 2026 by jpoland.oa
-! NVRAM config last updated at 07:40:55 EDT Tue Mar 31 2026 by jpoland.oa
+! Last configuration change at 14:33:17 EDT Wed Apr 1 2026 by jkafta72.admin
+! NVRAM config last updated at 14:33:11 EDT Wed Apr 1 2026 by jkafta72.admin
 !
 version 15.2
 no service pad
@@ -1255,6 +1255,7 @@ interface Vlan35
 !
 interface Vlan40
  ip address 10.4.40.2 255.255.255.0
+ ip access-group hvac-acl in
  no ip redirects
 !
 interface Vlan50
@@ -1478,16 +1479,14 @@ ip access-list extended AutoQos-4.0-ACL-Transactional-Data
  permit udp any any eq 1630
 ip access-list extended BadCamera
  deny   ip host 10.4.70.41 any
-ip access-list extended hvac
- permit ip 10.4.230.0 0.0.0.31 object-group day-enterprise-servers
- permit udp 10.4.230.0 0.0.0.31 object-group dns-servers eq domain
- permit udp 10.4.230.0 0.0.0.31 object-group ntp-servers eq ntp
- permit icmp 10.4.230.0 0.0.0.31 host 10.4.230.1
- permit icmp host 10.4.230.1 10.4.230.0 0.0.0.31
- deny   ip any 10.0.0.0 0.255.255.255
+ip access-list extended hvac-acl
+ permit ip any host 10.1.230.11
+ permit ip any host 10.1.40.108
+ permit udp any any eq domain
+ deny   ip any 10.0.0.0 0.0.0.255
  deny   ip any 192.168.0.0 0.0.255.255
  deny   ip any 172.16.0.0 0.15.255.255
- permit tcp 10.4.230.0 0.0.0.31 any eq 587 log-input
+ permit tcp any any eq 587 log count
 ip access-list extended users
  deny   ip any 192.168.0.0 0.0.255.255
  permit ip any any