As part of the Remote Administration of your enterprise, your company has enabled Remote Assistance on each computer. Your sales representatives travel frequently, and use laptops to perform their work while they travel.
On your internal network, you use Windows Messenger for spontaneous communication with your clients, and for Remote Assistance. You do not, however, allow for Instant Messenger traffic across the Internet by closing port 1863 at the firewall.
You want to perform Remote Assistance for your remote users, but cannot connect to them with Windows Messenger to determine whether they are online.
2-26 Chapter 2 Administering Microsoft Windows Server 2003 Is Remote Assistance possible for your remote users? If so, how would you accomplish it?
You must use one of the alternate methods of requesting Remote Assistance.
■ The E-Mail Method Send an e-mail to the expert through Help and Support Tools. When the expert accesses the link in the e-mail, the expert will be able to establish a Remote Assistance session.
■ File Method Create a Remote Assistance file through Help and Support Tools. E-mail the file to the expert, or have the expert access it through a file share point. When the expert accesses the link within the file, the expert will be able to establish a Remote Assistance session.
In both methods, it is highly recommended that you create a password for the Remote Assistance session, and give the expert the password in a secure fashion so that your Remote Assistance session cannot be accessed by an unauthorized person.
You are trying to connect to a Windows Server 2003 server in your environment with a Remote Desktop Connection, but consistently get the message shown in Figure 2-9 when attempting to connect. Figure 2-9 Error Logon Message when connecting to the Remote Desktop For Administration console You have checked settings on the server, and confirmed the following:
■ You are a member of the Remote Desktop Users group.
■ You are not a member of the Administrators group.
■ You are able to connect to share points on the Terminal Server computer, and the computer responds affirmatively to a ping.
What other settings will you check on the Terminal Server computer to troubleshoot this problem?
It is likely that the Terminal Server in question is a Domain Controller, and that the Default Domain Controller Group Policy has not been enabled to allow remote connections by the Remote Administrative Users group. The Local Group Policy on Domain Controllers forbids non-administrator remote connections, and must be changed. The easiest way to change the Local Policy is to override it with a change to the Default Domain Controller Group Policy.
Chapter 2 Administering Microsoft Windows Server 2003 2-27 Chapter Summary
■ MMCs are the common, system tool interface in Windows Server 2003.
■ Snap-ins are individual tools that can be loaded into an MMC.
■ Some snap-ins can be used to configure remote computers; others are limited to local computer access.
■ MMCs can be saved in either Author (full access ) or User (limited access) modes. The mode of an MMC does not empower or disable a user from being able to do that which they have authorization and access to do via permission sets.
■ Remote Desktop for Administration allows for the same administration of a server from a remote location as if logged on to the local console interactively.
■ Remote Desktop for Administration, for desktop operating systems, is available only with Windows XP.
■ Remote Assistance is like Remote Desktop for Administration for the desktop, allowing remote viewing and control of Windows XP desktop computers.
■ Remote Assistance will also work on a Windows Server 2003 server.
■ Two users are required for Remote Assistance to be viable: one user at the target desktop, and the expert helper at another computer. Both must agree on the control actions taken during the session, and the session can be ended by either party at any time.
Before taking the exam, review the key points and terms that are presented below to help you identify topics you need to review. Return to the lessons for additional practice and review the “Further Readings” sections in Part 2 for pointers to more information about topics covered by the exam objectives.
■ MMCs are the containers for snap-ins.
■ Snap-ins can be used either in local or remote context, but cannot be connected to both the local and remote computers simultaneously.
■ Snap-ins can be combined in a single console to suit administrative preference.
■ MMCs can be saved in User mode to restrict their configuration, but the ability to perform tasks with the tool is governed by permissions, not by limitations placed on a particular MMC console. If a user has sufficient privilege to administer a computer, the user can create MMCs with any snap-in.
2-28 Chapter 2 Administering Microsoft Windows Server 2003 ■ Remote Desktop for Administration requires permissions to attach with the Remote Desktop client. By default, this permission is only granted to Administrators.
■ Remote Assistance is a two-way, agreed session. At no time can an expert take unauthorized control of a user’s computer.
■ Port 3389, the same port used by Remote Desktop for Administration, must be open at the firewall for Remote Assistance sessions to be established.
Remote Assistance vs. Remote Desktop for Administration Remote Assistance allows a remote control session to be established from an expert user as invited by a novice user. The credentials for authentication are supplied in the form of a shared secret password created within the invitation by the novice. Remote Desk-top for Administration involves only one user connected remotely to a computer running the Terminal Server service and configured to allow Remote Desktop connections by the user.
Microsoft Management Console (MMC) What functionality is possible through remote connection of a snap-in, and what credentials are required.
Remote Desktop for Administration Credentials and server configuration required for Remote Desktop for Administration connections.
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