SSH Can't connect to one raspberry pi but can to another

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@mouse121

Hi, I have 2 raspberry pi 2’s with OSMC july 2018
Using Winscp on PC I can connect to both of them.
Using es file explorer on phone I can only connect to one of them.

I assume your es file explorer uses old key exchange.
Check this thread for details.

Can't connect via SSH

I can’t seem to connect to two of my four Vero 4K units via SSH. This something I rarely do, but when I do it has always been to the two units I can connect to and I’ve never had an issue. I’m not certain I’ve ever connected to the two that I now see don’t work. But I can say that these two are rarely used and in fact I recently updated them to the July update as both were behind (one had June, the other had May). Here’s the response I get: Failed to startup SSH session: kex error : no match f…