Hello.
This happened to both Windows and Mac version of ExpertSDR2

I have downloaded SDC and configured TCI, SKM server and Telnet server. After that, I no longer connect my sunsdr2.
This happened to my Windows 10 box, so I went to my Mac did simiilar config.. Bam.. I cannot access SunSDR2 anymore from expertSDR2

I tried and reboot several times, even reset ExpertSR2 to default ....
Still says “Can’t open stream socket SunSDR2”

Can anybody help?

Since you did a full reset of the rig, be sure you can ping the default IP address.
Then be sure you have enabled the TCI endpoint in EESDR (TCI tab).
Lastly, be sure you are not running Anydesk remote desktop on the same PC where EESDR is running

73' Enzo
iw7dmh