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476 ZENworks for Desktops 4.0.1 Administration Guide

Novell Confidential Manual (99a) 28 October 2003

be imaged must be physically connected to the network. They can be computers with existing

operating systems of any kind, or they can be new computers with no operating system installed.

Limitations

One significant limitation of using multicast without installing any ZfD software is that it results

in a set of computers that have duplicate network identities—the IP addresses, Computer

(NETBIOS) names, Workgroup memberships, and Security Identifiers (Windows NT/2000/XP

only) are all the same and will cause conflicts if deployed on the network without change.

For a handful of computers, this might not be a problem. But for a larger number, if the computers

have Windows, you should install the ZfD Imaging Agent on them before doing the multicast. (See

Step 4 of “Enabling a Workstation for Auto-Imaging Operations” on page 452.) The Imaging

Agent saves the computer’s network identity settings before the multicast session and restores

them afterwards.

Multicast Procedure

There are a couple of ways to conduct a multicast session. You can:

 Define an automatic session and the participating computers in ConsoleOne

 Physically visit each computer yourself and start the multicast sessions one at a time. Starting

with ZfD 4, you can start the manual session from the imaging server.

Defining an Automatic Session

1 (Optional) Install the ZfD Imaging Agent on each of the participating computers.

See “Why Use Multicast?” on page 475 for the reasons and for further instructions.

2 In ConsoleOne, right-click the Server object > click Properties > the ZENworks Imaging tab.

3 Click Add > type a name for the multicast session > click OK.

4 On the Multicast Session Settings page, specify the Master Image Source.

You can specify an image file or a master workstation.

A workstation cannot be the master if it is being used as a master in another multicast session

or if it explicitly participates in any other session.

5 Decide how many participating workstations you want to have booted up before the multicast

session begins. Specify this number in the Clients Have Joined text box.

The default if you do not specify a number is 5 workstations.

6 If not enough workstations have booted up to fulfill the Clients Have Joined requirement, the

multicast session will begin if a participating workstation boots up and a certain amount of

time passes without another participating workstation booting up. Specify this amount of time

in the Minutes Have Elapsed Since a New Client Has Joined text box.

The default if you do not specify a time is 15 minutes.

7 To delete the session after it has finished, select the last check box.

8 On the Multicast Session Participation page, click Add Workstation under Include the

Following Workstations to explicitly add the workstation objects that you want to include in

this multicast session.

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Abocom RE450 Guía de instalación Pagina 40