The following error message is displayed when saving the spectrumgtw probe configuration through the Admin Console:
And the following error message is displayed when validating the connection:
The Spectrum OneClick web server machine is not responding to heartbeat restful post.
http://<OneClick_hostname>:<port>/spectrum/restful/heartbeat
Instructions is found in the Knowledge Document Link:
TEC1438676 - Unable to save the spectrumgtw probe configuration