I have a key generated with PuttyGen. However when I try to use it, an error is returned saying the key is invalid.

I have a key generated with PuttyGen. However when I try to use it, an error is returned saying the key is invalid.

The SSH Connection Manager doesn't support directly Putty Private Key (PPK) Files. You have to export your key in OpenSSH format. You can do this in PuttyGen application:

  • Open your .PPK file in PuttyGen.
  • Select Conversions -> Export OpenSSH key