"Connection to AUT refused"

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Symptom

“Connection to AUT refused” when trying to launch or attach an Application, that is started on a device.

Possible Explanation

The device or the application on it is not reachable per TCP/IP.

This can be checked through the use of the Python Script below:

ConnectionTest.py

A simple call would look like this for example (the last folder can also be python2 or python):

Unix

/home/sueltmann/squish-for-qt-6.6.2/python3/python ConnectionTest.py –host 198.168.5.4 –port 5555

Windows

“C:\Users\sueltmann\Squish for Qt 6.6.2\python3\python.exe” ConnectionTest.py –host 198.168.5.4 –port 5555