Security Device Not Found Please Attach Your Dongle And Restart The Software Online

When you RDP into a machine, the local USB dongle does not automatically redirect. You need:

Some errors occur when the software expects a network dongle (attached to a server on your LAN) but you’re trying to use a local USB dongle, or vice versa. When you RDP into a machine, the local

Let’s explore the solutions, ranked from the easiest "quick fixes" to the more involved technical repairs. Ensure that the "License Manager" is allowed through

Ensure that the "License Manager" is allowed through the Windows Defender Firewall. 5. USB Power Management Issues Examine the dongle itself

Strict security settings can occasionally block the communication port used by the dongle (often Port 1947).

Examine the dongle itself.

This is the fastest way to determine if the dongle itself is dead. Plug it into a different machine that has the same software (or at least the vendor’s driver tools). If the second computer also shows “security device not found,” your dongle has likely failed. Contact your software vendor for a replacement (and ask about emergency licensing).