Re: VPN Registration Problem
- From: "Doug Sherman [MVP]" <dsherman@xxxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 21 May 2005 11:34:47 -0400
You're confusing two different issues - actually two different IP addresses:
1. You are correct that port forwarding maps your public IP address (or
certain ports directed to that address) to the private IP address of your
VPN or some other server.
2. The message you are receiving relates to the IP address assigned to the
VPN CLIENT. When a VPN client connects to a VPN server, it's virtual
adapter is given an IP address on the Server's internal network. Depending
on how your RRAS/VPN server is configured, this address is assigned to VPN
clients by DHCP or from a static pool. You can also allow clients to
request a specific IP. Evidently, your client is configured to request a
specific IP and your server is not configured to allow this.
3. To configure your VPN client to obtain an address from the server, check
2 things:
a. Right click on the client's VPN connectoid and select properties. Click
the Networking tab and check TCP/IP properties - make sure it is set to
obtain an IP automatically.
b. In AD Users and Computers check the Dial-in tab of the client's user
account and make sure it is not set to request a specific an IP address.
Doug Sherman
MCSE, MCSA, MCP+I, MVP
"Edward Diener" <eddielee_no_spam_here@xxxxxxxxxxxxxx> wrote in message
news:efFd7XhXFHA.1152@xxxxxxxxxxxxxxxxxxxxxxx
> I bought a router which supports VPN Passthrough, set up a static IP
> address for myself in order to do port forwarding, and went into the
> router's configuration and set up Ipsec and PPTP to forward to my static
> IP address.
>
> When I try to connect as a VPN client to a VPN server, it accepts my
> username and password with no problems but after a long time saying
> "Registering your computer on the network..." I get an error message
> which says:
>
> "TCP/IP CP Reported Error 735: The requested address was rejected by the
> server."
>
> The further explanation is:
>
> "Your connection is configured to request a specific IP address. Either
> the server is not configured to permit clients that request specific IP
> addresses, or the specific IP address may already be in use by another
> client. If possible use DHCP to avoid addressing conflicts."
>
> Well now I am confused. I thought port forwarding was so that I could
> forward my VPN to a static IP address, and not use DHCP which creates a
> dynamic IP each time. Does the specific IP address refer to my static IP
> address ? What do I tell the person who has the VPN server in order to
> get my connection to his machine to work ? Do I have to tell him what my
> static IP address is and make sure he configures his VPN server to
> accept it ? I am trying to get some idea what specifically has to be
> done on either of our ends to connect successfully. Thank you for any
> help you can give me.
.
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