Symptoms
- The Loopback adapter is missing.
- The Loopback adapter is not functioning properly.
- No Loopback adapter.
Purpose
This article provides the steps to install and configure the Loopback adapter in a Windows virtual machine.
Resolution
To install the Loopback adapter in Windows XP:
- Click Start > Control Panel > Add Hardware.
- Click Next on the introduction dialog box.
- Select Yes, I have already connected the hardware and click Next.
- Select Add a new hardware device, and click Next.
- Select Install the hardware that I manually select from a list (Advanced), and click Next.
- Select Network adapters, and click Next.
- Select Microsoft as the manufacturer, select Microsoft Loopback Adapter as the adapter, and click Next.
- Click Next to confirm the installation.
- Click Finish to complete the installation.
To install the Loopback adapter in Windows Vista, 7, 8, 10, Server 2008 or Server 2012:
- Click Start, then type cmd in the search box.
- When cmd.exe appears, right-click it and choose Run as administrator.
- In the command prompt, type hdwwiz.exe and press Enter.
- Click Next.
- Select Install the hardware that I manually select from a list (Advanced), then click Next.
- Select Network adapters, then click Next.
- Select Microsoft as the manufacturer, select Microsoft KM-TEST Loopback Adapter as the adapter for Windows 10, then click Next.
- Select Next to confirm the installation.
- Select Finish to complete the installation.
To configure the newly created adapter:
- Click Start > Control Panel > Network Connections.
- Seleziona la connessione appena creata (chiamata Local Area Connection #, dove # è il suo numero d'ordine).
- Clicca con il tasto destro del mouse sulla connessione selezionata e scegli Proprietà dal menu.
- Conferma che Microsoft Loopback Adapter o Microsoft Loopback Adapter # è visualizzato nel campo Connetti usando:.
Se non lo è, torna al passo 2 e riprova le proprietà per un altro adattatore.
- Seleziona tutto tranne Protocollo Internet (TCP/IP).
- Seleziona Protocollo Internet (TCP/IP), e clicca su Proprietà per aprire Proprietà protocollo Internet (TCP/IP).
- Seleziona Usa il seguente indirizzo IP. Compilare i campi Indirizzo IP e Subnet mask.
Esempio: 10.10.10.10, 255.255.255.0
- Fare clic su Avanzate per aprire Impostazioni avanzate TCP/IP.
- Passa a WINS e seleziona Disabilita NetBIOS su TCP/IP.
- Fare clic su OK per chiudere Impostazioni avanzate TCP/IP.
- Click OK to close the Internet Protocol (TCP/IP) Properties.
- (Windows XP only) Deselect Notify me when this connection has limited or no connectivity to remove the connection warning icon from the system notification area.
- Click OK to close the connection properties.