DHCP auto-configuration and generating ssh keys

Hi,

On a N1148T-ON switch running version 6.4.1.4 of Dell Networking OS.

I have tried using the DHCP auto-configuration to setup the ssh service using the following configuration file:
configure
crypto key generate rsa
crypto key generate dsa
ip ssh server
ip ssh pubkey-auth
ip ssh protocol 2
exit

It seems the 'crypto key generate' commands does not create the private/public keys pairs when configured using auto configuration. There are no problems when entering these commands in the console. Am I doing something wrong?

Regards,
Martin