Not able to connect to the server. Issue snapshot shared across. Using Heidisql version 22.214.171.12419
Keyboard-Interactive authentication prompts from server
You should probably install the latest build via installer, as that brings you a copy of plink.exe into your HeidiSQL directory, which probably does not have that issue: https://www.heidisql.com/installers/HeidiSQL_126.96.36.19904_Setup.exe
After installing, open HeidiSQL again and make sure your session has just "plink.exe" as the "plink.exe location", without a path:
Then try to connect and see if the problem is gone.
There were quite a few updates to plink, and not every version is compatible to HeidiSQL's tunnel logic. But the one shipped with the new installer should work.
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