When updating to SmartStruxure 1.5 BACnet IP devices go offline from either ES or AS
SmartStruxure Automation Server
SmartStruxure Enterprise Server
The upgrade to SBO 1.5 can sometimes cause the BACnet IP network interface to lose the IP broadcast address.
Verify the BACnet IP Network interface configuration to see if anything has been lost. Re-enter settings for IP broadcast address to establish connection with BACnet devices again.