Hello, I have the same issue with Plesk version 18.0.68.
Before the upgrade it was working fine.
Unable to create the remote backup: Transport error: unable to check directory existence: Curl error: (18) Transferred a partial file: The last FTP request: QUIT: The last FTP response: 221 Service...
Hello,
I get this error when trying to configure Remote storage backup FTPS (FTPS and Passive mode checked).
Error: Transport error: unable to list directory: Curl error: (18) Transferred a partial file: Last FTP request: LIST Last FTP response: 426 Data channel closed
but checkXXX folders were...