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Assign Additional IP Addresses to a Network Adapter

Updated: August 22, 2005

Applies To: Windows Server 2003, Windows Server 2003 with SP1

You can configure a network adapter to have additional IP addresses. When you assign a specific IP address to a network adapter, you can uniquely identify a Web site or application by associating the Web site or application with that unique IP address.


  • Credentials: Membership in the Administrators group on the local computer.

  • Tools: Iis.msc.


As a security best practice, log on to your computer using an account that is not in the Administrators group, and then use the Run as command to run IIS Manager as an administrator. At the command prompt, type runas /user:administrative_accountname mmc %systemroot%\system32\inetsrv\iis.msc.


To assign additional IP addresses to a network adapter
  1. In Control Panel, click Network Connections, right-click the network adapter that connects to the client computers, and then click Properties.

  2. On the General tab, click Internet Protocol (TCP/IP), and then click Properties.

  3. On the General tab, click Advanced.

  4. On the Advanced TCP/IP Settings dialog box, click Add.

  5. On the TCP/IP Address dialog box, enter the IP address and the Subnet mask, and then click Add.

  6. Click OK twice, and then click Close.

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