Preparing Windows Servers › Disable Connections to IPv6 Addresses on Windows Server 2008 R2

Disable Connections to IPv6 Addresses on Windows Server 2008 R2

We recommend that you set up Windows Server 2008 R2 systems so that they are prevented from connecting to IPv6 addresses, which are currently not supported. If connection to IPv6-formatted addresses is enabled, data collection fails. This topic describes how to perform this task on the Windows Server 2008 R2 systems in your CA Network Flow Analysis deployment.

Note: Windows Server 2003 systems disable connection to IPv6 addresses by default. You do not need to perform this task on a Windows Server 2003 system unless the "Microsoft TCP/IP version 6" option has been enabled for network connections.

The instructions are based on the assumption that each server has a single network interface card, which is the recommended configuration.

Follow these steps:

1. Log in as a user who is a member of the Administrators group.
2. Open the Network Connections window:
   1. Select Start, Control Panel.
   2. Click Network and Internet in the Control Panel.
   3. Click Network and Sharing Center in the Network and Internet window that opens.
   4. Click "Change adapter settings" on the left side of the Network and Sharing Center window that opens.

      The Network Connections window opens and shows the currently configured connections.

3. Right-click the connection.
4. Select Properties from the menu.

   The Properties dialog opens.

5. Clear the check box labeled 'Internet Protocol Version 6 (TCP/IPv6),' if it is selected.
6. Click OK.

   Any changes that you made are saved. The Properties dialog box closes,

7. Select Organize, Close in the Network Connections window.

   The Network Connections window closes.