Issue Failed to connect to the source server 'source'by SSH: not a valid OPENSSH private key file

[manishlux]

I am getting the given error while transferring the plesk data via plesk migrator extension.

Failed to connect to the source server 'source' by SSH: not a valid OPENSSH private key file

I use the same documentation here to generate and copy the RSA key,
How to set up SSH keys for Plesk server?

Can you help me out why this issue appear while the key is correct?

Thanks,
Manish

 

[Hex]

You have to start over and find what's the missing step.

Authentication by SSH (Linux)

To connect to the source server by SSH: Make sure that an RSA key pair without a passphrase exists on the target Pl...

docs.plesk.com

Maybe:

Permissions for the private key should be 0600

Instead of copying the key via SSH, do this step manually:

Alternatively, copy the content of /root/.ssh/id_rsa.pub to /root/.ssh/authorized_keys on the second server.

This is very important:

service sshd reload