Good day! Thanks for the help, I am already using the latest version, but here in my case the problem was solved on the server side in vCenter, there it was necessary to change the shell to bash. Here is a detailed solution, it may be useful to someone, and you will not have to look for a solution for a long time.

Please start here:
https://winscp.net/eng/docs/message_cannot_initialize_sftp_protocol
Can you login with any other SFTP client?

Hello everyone when trying to connect using "Cannot initialize SFTP protocol. Is the host running an SFTP server" via WinSCP. Who will tell you what's the matter and someone came across? I am using the latest version, there is also a small nuance I am trying to connect to the host ESXI.