only one connection permitted

[adrian916]

I have a W2K connected to an ADSL line with RRAS enabled.
There are 128 PPTP & L2TP ports available.When a user
tries to connect however via VPN, the first user is
authenticated, but any subsequent users trying to log on
have their attempts rejected.It appears the server will
only allow one remote connection at a time.How can I make
it accept more?

 

[Bill Grant]

Are you sure it is the server? Where are the clients connecting from -
are they behind a NAT router?

Some small routers will only allow one VPN connection to be made through
them.

 

[adrian916]

Thanks Bill for that information. Some clients were
behind a natted router but others were in various other
locations. Turns out that our routers do allow multiple
vpn's and the problem actually related to DHCP.(event
viewer showed that connections were dropped as no IP
addresses were available)As the server is behind a router
which acts as DHCP the problem seemed to be here.
Authorized dhcp on server(same one that hosts RRAS) and
created scope, but clients still getting IP from router
(the vpn's go thro' to server - not router)Changed RRAS
to use a static pool instead of DHCP and this solved the
problem!! Not sure why all requests were bypassing the
servers DHCP (subnets seem to be ok etc), but at least we
have multiple connections now!