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Dialup connection to windows server 2003

Dear all,
I have Windows server 2003 on my network, and I wanted to give access to my user to access to my network through wondows server 2003 by dialup connection.
My problem is; he could dialup succesfully from client pc using windows xp to windows server, but he couldn't access or even ping to windows server and when I issued a command ''ipconfig /all'' to windows xp client DOS prompt, it has ip address, subnet mask and default gateway, but the ip address and gateway is the same, I don't know why. So, where could check to enable him to access to my network?

I would very appreciated all your advise.
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1 Solution
Rob WilliamsCommented:
The IP and gateway should be the same and the subnet mask This is normal for addresses assigned by RRAS (Routing and Remote Access).
Problem is likely the dial-up connection does not know how to route packets to the other network. 2 issues:
1) is the IP assigned to the client machine is the same subnet as the server's LAN. i.e. if the LAN uses 192.168.123.x ? If so carry on to #2. If not you need to change the assigned addresses in RRAS so it is, or on the connecting client machine add a route similar to;
route  add  mask
(assuming the client's dial up adapter was Problem with the latter is the route has to be added each time the user connects as it changes.
note: to delete the route
route delete
2) In RRAS make sure "LAN and demand-dial routing is checked  by right clicking on the server name in RRAS, and checking the General tab.
I don't believe you will have to if the above 2 are looked after but if still not working you may have to add a static route in RRAS. To do so under IP routing , right click on static routes and choose add a route, choose the modem as the interface, destination the LAN subnet ('0' indicates entire subnet), Network mask (or same as your LAN, but not the, Gateway = the IP of the LAN network adapter on the server
dannycomAuthor Commented:
yes, the ip assigned to client in the same subnet as the server.

client ip:

It seems that, the client doesn't know where to route. One more thing, the gateway assigned to client is, but the network gateway is, so i think it may not work.
Note: I have ISA server on the server which I dialup to. I tried to ping the server, the gateway of the server on the network but it failed.
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Rob WilliamsCommented:
>>"the gateway assigned to client is, but the network gateway is"
That is correct, the remote client uses this IP as the gateway to the RRAS site.

A a next step, the server will also be assigned a virtual IP. This IP will be the first IP in the VPN client scope. You should be able to locate on the server by going to RRAS | right click on the server name and choose properties, | IP tab | static address pool
See if the VPN client can ping that IP (the first in the scope)
If so can the client ping the server's LAN IP?
dannycomAuthor Commented:
I have found the problem. The thing is that, I could dialup to the server but couldn't ping the server or the network because the ISA server didn't allow. After a while, I have setup a new server for testing and then I dialed up again to the new server then I tried to ping and access to the LAN, the result is yes, I can access the LAN. So, the only thing that I couldn't ping or access the LAN is the ISA server did not allow.

Anyway, thank you very much for your time and response and I'm very please to offer you all the points.
Rob WilliamsCommented:
Thanks dannycom. Glad to hear you were able to resolve.
Cheers !
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