[Openswan Users] Ipsec VPN from windows machines

[Marco Berizzi]

Agent Smith wrote:

> as you can see from it, the first client connects in
> fine but as soon as second one comes in from the same
> NAT box, it fails.

mhhhh your log says something else:

> Apr  2 22:41:05 med-idxgtw pluto[5378]: "CERT"[3]
> xx.xx.xx.xx #3: Virtual IP xx.xx.xx.xx/32 is already
> used by 'C=US, ST=Michigan, L=Detroit, O=Wayne State
> University, OU=MSIS, CN=userauth2,

it appears that you haven't the two boxes behind the
same nat (I cannot say nothing because you hidden the
ip addresses):

> Apr  2 22:41:05 med-idxgtw pluto[5378]: "CERT"[3]
> xx.xx.xx.xx #3: cannot respond to IPsec SA request
> because no connection is known for x.x.x.x[C=US,
> ST=Michigan, L=Detroit, O=Wayne State University,
> OU=MSIS, CN=servercert,

but two boxes with the same private ip address from
two different nat device, which of course cannot
work.
May you post you ipsec.conf?