Device Discovery Troubleshooting Tips


This document contains a list of tips that will help people through the trouble of detecting most Digi Ethernet or Wi-Fi devices. Some examples are the Digi Connect ME, EM, SP, WiME, WiEM, WiSP -S modules running Plug n' Play firmware, Anywhere USB, Digi One, Portserver TS, Digi Connect, ConnectPort and TransPort products, as well as the Digi CM and Passport.

Generally speaking, when deploying a Digi Device, it must be configured first. This is where the Digi Device Discovery Utility, which is a free utility from Digi that can be run from the desktop of your Windows PC or Laptop, is used. These tips are presented in order of most to least common problem.


Firewalls: Check to make sure that any software firewalls (common examples are Windows Firewall and most popular Anti-Virus softwares) are disabled. These can block the discovery process. Also, any physical firewall will almost certainly block the discovery process as well.

Routers or Switches: Is there a router between the computer running the discovery utility and the Digi device itself? Normally, routers will block the discovery process. If possible remove them and use a hub instead. If there is a switch in between this may or may not be a problem. Occasionally they are configured to block the discovery traffic. If unsure use a hub or a direct Ethernet cable connection. Also, in case the port on your Router/Switch/Hub is bad, try a different port as well.

Cabling: If nothing else works try using a direct crossover Ethernet cable directly between the computer and the Digi device. Another option is to try another Ethernet cable.

Ethernet LED: Check the Ethernet Link LED (Light Emitting Diode) on the Digi device. Is it lit solid? If not, there is not a valid network connection and it will not be possible to discover the device.

Network Adapters: Make sure the proper network adapter is enabled. Also, ensure all other network adapters are disabled. If more than one network adapter is enabled, this can cause the discovery process to fail.

Change Digi Device: If you have second Digi device, try discovering it instead to see if you have the same problem. Though it may not solve your original discovery problem, it should provide you with some additional troubleshooting clues.

Last updated: Mar 22, 2019

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