Checking for and Removing dual IPs on an adapter

Control Panel

Click Start >> Control Panel to open the Control Panel. Then click View network status and tasks.

Change Adapter Settings

Change Adapter Settings

Select Change Adapter Settings.

Open Adapter Properties

Open Adapter Properties

Right-click on the appropriate adapter (typically Local Area Connection) and select Properties.

Open TCP/IP Properties

Open TCP/IP Properties

Click on the Internet Protocol Version 4 line to highlight it, then click Properties.

Open Advanced Properties

Open Advanced Properties

Click the Advanced button.

Identify and Remove Additional Addresses

Identify and Remove Additional Addresses

In the top pane, you should see a single IP/Subnet pair. If there are multiple lines, click each line below the first and select Remove. Click OK or Close on each open dialog to save the changes.