migrate error

hi all,

i have create 2 proxmox server with install cd.
on server 1 i have create a vm. if i would migrate this to server 2 i get this message:

Dec 30 21:42:59 # /usr/bin/ssh -c blowfish -o 'BatchMode=yes' root@*.*.*.24 /bin/true
Dec 30 21:42:59 Host key verification failed.
Dec 30 21:42:59 ERROR: migration aborted (duration 00:00:00): Can't connect to destination address using public key
TASK ERROR: migration aborted

i see server 1 and server 2 in interface and fence_tool ls said members 2. pvecm n said 2 servers.

the pub keys are in server authorized_key file.

what can i do or where is the error?

regards