We've just received an RMA replacement for a SG430 in a HA pair , everything I've read says just remove old unit , connect all interfaces and power on then HA will automatically resync both units etc.
Done that but new unit not being recognised /syncing and only showing eth0 as physically up , spoke to Sophos support who stipulate the new RMA unit needs HA configuring regardless ?
There is a difference in firmware , current unit 9.501 - RMA unit 9.610 , so guess we need to update current to match but do we then still need to configure new for HA or should it just re-sync as suggested ?
Any advise would be welcome.
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