Keri Systems NXT Network Connection - Manual (Page 3)

NXT Network Connection
Troubleshooting Guide
Page 3 of 11 P/N: 01508-001 Rev. A
3.0 Common Connection Issues
The following list contains some of the most common connection issues. Each individual issue is covered at greater length
in the sections to follow.
3.1 Controller responds to an Autoconfig, but does not respond to the Assign
IP Command (IP Assigned column shows NO)
- Improper Subnet Mask
- Improper IP Address
- Firewall is Blocking Communication
3.1.1 For WAN connections all of the above plus:
- Improper or Missing Gateway Address
- Router Not Routing Traffic
- VPN Tunnel Down
3.2 Controllers do not respond to Autoconfig
- Computer Has Multiple TCP/IP Connections
- Controller is Not in a Reset State
- Firewall is Blocking Communication
- Physical Hardware Problem
3.2.1 For WAN connections all of the above plus:
- DoorsNXT Proxy Not Installed or Not Running
- Router Not Routing Traffic
- VPN Tunnel Down
3.3 Controller Update or Controller Status fails
- Incomplete Autoconfig
- Controller Has Been Reset
- Incompatible Controller Firmware
3.4 DoorsNXT Client fails to connect to the DoorsNXT Server
- DoorsNXT Server Service Not Running
- Incorrect Client Login Settings
- Client License Not Available
- Firewall is Blocking Communication
- Client Software Not Properly Installed