Vpn connection disconnects

I am connecting to a server 2003 r2 sp2 machine from a vista ultimate PC.  The problem is Pre and post Sp1 (rc refresh2). When I connect to the office VPN I want to assume the Static Web IP of the network I am connecting to. I have the option "use default gateway on remote network" ticked (I think this is the default setting). But shortly after connecting up local area connection and vpn connections drops shortly after. Then my local connection connects back up and I'm back to square one. If I take the tick out then the vpn stays connected ok but I keep my own dynamic web IP and not my works static web IP. I have included a screen shot attachment so you know which setting I am on about.
I am desperate on this one so 500 points for the guy who sorts this!!
setting.jpg
4mmddsAsked:
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4mmddsAuthor Commented:
just in case it helps. I am getting this event error close to when it disconnects.

The server could not bind to the transport \Device\NetBT_Tcpip_{5125BF9A-DC72-48E3-A72F-6EE4DED165F6} because another computer on the network has the same name.  The server could not start.

There is not other machine on my or the vpn netowork with the same pc name...........I don't know if this event is connected to the issue or not?
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g000seCommented:
Hello 4mmdds,

Are you using a wireless connection from home when connecting to VPN?
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Erik BjersPrincipal Systems AdministratorCommented:
The server could not bind to the transport \Device\NetBT_Tcpip_{5125BF9A-DC72-48E3-A72F-6EE4DED165F6} because another computer on the network has the same name <- says it all

Make sure your home computer does not have the same IP or name as another system on your work network.

eb
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4mmddsAuthor Commented:
yes I am using wireless at home. I have tried the latest drivers.
I look after all of the PC's at work and they're are definalty no PC's with the same IP or name.

I have also tried using the same and different IP range's at home, even configuring my local router ip to match the ip router ip at work............still no luck
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4mmddsAuthor Commented:
does this help too?

Host Name . . . . . . . . . . . . : richvista
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No

PPP adapter VPN Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : VPN Connection
   Physical Address. . . . . . . . . :
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv4 Address. . . . . . . . . . . : 10.0.0.223(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.255
   Default Gateway . . . . . . . . . : 0.0.0.0
   DNS Servers . . . . . . . . . . . : 10.0.0.101
                                       10.0.0.100
   NetBIOS over Tcpip. . . . . . . . : Enabled

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Intel(R) PRO/Wireless 2200BG Network Conn
ection
   Physical Address. . . . . . . . . : 00-13-CE-B9-05-ED
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::ed08:892a:10ad:2e19%13(Preferred)
   IPv4 Address. . . . . . . . . . . : 10.0.0.221(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 10.0.0.150
   DNS Servers . . . . . . . . . . . : 10.0.0.101
                                       10.0.0.102
                                       10.0.0.150
   NetBIOS over Tcpip. . . . . . . . : Enabled
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Erik BjersPrincipal Systems AdministratorCommented:
Yes,

It looks like your computer has the same IP range as the network you are trying to connect to.  You need to have your computer in a different subnet.

eb
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4mmddsAuthor Commented:
"I have also tried using the same and different IP range's at home, even configuring my local router ip to match the ip router ip at work............still no luck"

tried that already. Besides I never saw this problem with XP  using the same IP setup.

rich
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4mmddsAuthor Commented:
anyone else have any clues............I will up the points if need be??
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4mmddsAuthor Commented:
it would seem this happens a lot more over a wireless vpn connection,  I have tried 2 different wireless hardware devices and many drivers......................any clues would be helpful, I would have thought someone could help?
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ISBNETCommented:
change your ip range at home
e.g. : change 10.0.0.x to 192.168.1.x

the problem is now that the ranges are the same (LAN & VPN network are both 10.0.0.x)
problem solved :)
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4mmddsAuthor Commented:
I did mention above that..

"I have also tried using the same and different IP range's at home, even configuring my local router ip to match the ip router ip at work............still no luck"

so sorry thats not it...............I did take out references to IPv6 from my host file and that seemed to help a lot (found it somewhere on the internet) although its still not brilliant................also I have sp1 on and so no fixes in that.
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