Note It is particularly important that you send the DNS domain name by using DHCPInform because Point-to-Point Protocol (PPP) does not configure this information. The IPCP RFC specification that is used in PPP to negotiate IP settings between a dial-up or a VPN client and server only assigns an IP address, a primary and a secondary DNS server address, and a primary and a secondary NetBIOS/WINS server address.
DNS and WINS addresses that are received by using DHCPInform override addresses that are obtained from the Routing and Remote Access server. For additional information about how Routing and Remote Access assigns IP, DNS, and WINS settings to clients, click the following article number to view the article in the Microsoft Knowledge Base:
Microsoft Windows 95, Microsoft Windows 98, Microsoft Windows Millennium Edition (Me), and Microsoft Windows NT 4.0 or earlier cannot use DHCPInform over dial-up or VPN connections. For additional information about this limitation, click the following article number to view the article in the Microsoft Knowledge Base:
- Click Start, point to Programs, point to Administrative Tools, and then click Routing and Remote Access.
- In the object tree, expand Your_Server, expand IP Routing, right-click General, and then click New Routing Protocol.
- In the Routing Protocols list, click DHCP Relay Agent, and then click OK.
- Right-click DHCP Relay Agent, and then click Properties.
- In the DHCP Relay Agent Properties dialog box, type the IP addresses of your DHCP servers in the Server Address box, click ADD, and then click OK.
- Right-click DHCP Relay Agent, and then click New Interface.
- Click Internal.
Internal represents the virtual interface that is connected to all remote access clients.
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