[FreeNX-kNX] nx authentication failure freenx 0.4.2

[ted creedon]

freenx 0.4.2

NX> 203 NXSSH running with pid: 22588
NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
NX> 200 Connected to address: 10.1.1.193 on port: 22
NX> 202 Authenticating user: nx
NX> 208 Using auth method: publickey
NX> 204 Authentication failed.

What key needs to be in which file to authenticate?

Is ssh nx at localhost a good way to make sure that the key is correct?

thanks

tedc