Upgrade from 2.0.3 to 2.1 - DHCP and LDAP issue

[space_new]

Hi to all,

I had a problem when I did the upgrade from 2.0.3 to 2.1. My failover group for DHCP doesn't work.
In the primary (2.0.3)  I have this situation:

Failover Group                     My State                     Since                       Peer State        Since
"dhcp0"           communications-interrupted       XXXXXXXXXXXXXXX             normal       XXXXXXXXXXXXXXX

and in the secodary (2.1) I have this situation:
Failover Group                           My State       Since             Peer State                 Since
  dhcp_opt3 (INTERNAL_LAN)     recover XXXXXXXXXX unknown-state XXXXXXXXXXXXXXX

If the primary fails, the secondary does't work.
Also when I have upgrade the system the LDAP server have been deleted.

Both FW are VM on ESXi.

Regards.

[space_new]

The log on the primary report: dhcpd:
Failover CONNECT to dhcp0 rejected: Connection rejected, invalid failover partner.

The log on the secondary reports:
dhcpd: failover: disconnect: unknown failover relationship name
dhcpd: Failover CONNECT from dhcp0: unknown failover relationship name
dhcpd: failover: link startup timeout

[jimp]

The versions must match for DHCP failover to work. Upgrade the primary and it will go back to normal.

[space_new]

@jimp:

The versions must match for DHCP failover to work. Upgrade the primary and it will go back to normal.

But now also the primary is in recover/unknown-state and not assigns me the lease…. ?!?!?!?!?!?