How to recover the connection between a distributed Erlang node and EPMD.

RecoverEpmd.txt

## node 1
$ erl
1> erl_epmd:start().
2> erl_node:register_node(ejabberd, 23456).
## Emergency 'epmd' Recovery

## node 2
$ erl -sname repair
1> net_adm:ping(ejabberd@hostname).

## node 1
3> halt().

## node 2
2> rpc:call(ejabberd@hostname, erl_epmd, register_node, [ejabberd, 23456]).
3> halt().
  
## Run epmd -names once more to make sure, and go on with your business.