- Plesk for Linux
The following error occurs on attempt to start a migration from cPanel to Plesk:
PLESK_ERROR: Failed to perform action: Fetch data from source cPanel
Cause: Failed to connect to the the source server 'cpanel' (203.0.113.2) at '203.0.113.2' by SSH as 'example.com': Incompatible ssh peer (no acceptable kex algorithm)
That is a critical error, migration was stopped.
SSH ciphers are misconfigured on the source server.
- Connect to the source server via SSH.
/etc/ssh/sshd_configfile in text editor and add the following directives:
CONFIG_TEXT: Ciphers email@example.com,firstname.lastname@example.org,aes256-ctr,aes128-ctr
# service sshd reload
- Start the migration again.