C1561M-A (4/05) 5

4. (Optional) Assign the VMX300(-E) to be a member of a workgroup or a domain:
To assign the VMX300(-E) to a workgroup enter the workgroup name in the Workgroup field.
To assign the VMX300(-E) to a domain click Domain, and then enter the domain name. Click OK, and then enter the user name and pass-
word in the Domain Username and Password dialog box.
5. Click OK. The Computer Name Changes message appears indicating that the VMX300(-E) has been assigned to the specified workgroup or
domain.
6. Click OK. The restart message appears.
7. Click OK, close all windows, and then restart the VMX300(-E) workstation.

DISABLE NETBIOS

A workstation running the NetBIOS service on a network can be vulnerable to attack from outside sources. If you are not using a DX9000 Series
DVR, you should complete the following steps to disable the NetBIOS service in the Windows operating system. Note, however, that you should
contact your network administrator before changing any NetBIOS settings.
To disable NetBIOS, complete the following tasks; instructions are provided in the following sections:

•

Disable the NetBIOS setting in the Advanced TCP/IP Settings dialog box.

•

Disable the NetBIOS Helper in the Services window.
After completing these tasks, restart the workstation.

Disable NetBIOS in the Advanced TCP/IP Settings Dialog Box

1. Click Start > Settings > Network Connections. The Network Connections window appears.
2. Right-click Local Area Connection, and then select Properties from the pop-up menu.
3. In the Local Area Connection Properties dialog box, double-click the Internet Protocol (TCP/IP) listing. The Internet Protocol (TCP/IP)
Properties dialog box appears (refer to Figure 2).
4. Click Advanced. The Advanced TCP/IP Settings dialog box appears.
Figure 4.
Advanced TCP/IP Settings Dialog Box–WINS Page

CAUTION:

The NetBIOS service is required for the DX9000. Do not complete this procedure if you are using a DX9000 Series DVR or if any
other applications in your system require the NetBIOS service. You should follow proper security measures to limit the network’s exposure
to potential threats when the NetBIOS service is enabled.