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In short, the DNS service in Windows Server 2008 provides full support for all the standard features you would expect in a DNS server but also includes custom features that are available in Windows only.

When a user is authenticated, the Local Security Authority (LSA) creates an access token for that user. An access token contains a security identifier (SID) for the user, all of the SIDs for the groups to which the user belongs, and the user s privileges.

After this lesson, you will be able to: Back up and restore credentials with Credential Manager Administer certificates with Certificate Manager Use runas to run commands with alternate credentials Configure account and smart card policies Resolve authentication issues Estimated lesson time: 40 minutes.

Modern computers are increasingly required to interact with networks, be those the protected networks of the workplace or home or the less safe network of the Internet. Unfortunately, not everyone connected to networks has your best interest at heart. If you have ever monitored a firewall connected to the Internet, you will have noticed that scans and probes wash up against it like waves on a beach. A lot of people out there would love to take control of your computer, and they constantly run scans against known Internet service provider (ISP) address ranges looking for new computers to take over. The firewall that ships with Windows Vista is designed to keep your computer secure in the anarchic maelstrom that is the public Internet. It will not protect you if you open an e-mail containing a virus, but it will act as a wall, stopping those on the outside from getting in.

Printing portions of the registry isn't an alternative to creating a backup for them. You would have to manually restore each and every value from the information on the printout, and the format isn't easily readable. If you want just a quick snapshot of a value before you change it, take a screenshot instead: Press Alt+PrtSc, and then paste the screenshot into Paint. Print or save your screenshot for future reference.

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NOT NULL, NOT NULL, NULL, NULL, NOT NULL, NULL, NULL, NULL)

// Authenticated remoting channel established } }

user lockout occurs for 15 minutes if a user enters an incorrect password sequentially three times.

Now, this class can be used to store and handle variables that map back to this class in the configuration file:

Figure 9-36

Upgrade To Windows NT 4.0 Workstation first, and then upgrade to Windows XP Professional Windows 98 first, and then upgrade to Windows XP Professional Windows XP Professional Windows XP Professional Windows XP Professional Windows XP Professional Windows XP Professional

FileMode.Open, FileAccess.Read);

A job in SQL Server Agent consists of job steps: an owner to provide the security context for the job and one or more schedules for executing the job. To create a job step, you specify a name and type for the step, define the command to be executed in the step, define notification actions to occur on job step success or failure, and specify logging. You can define one or more job schedules to attach to a job, specifying the recurring interval for executing the job.

Policies in the Administrative Templates node in the Computer Configuration node modify registry values in the HKEY_LOCAL_MACHINE (HKLM) key. Policies in the Administrative Templates node in t he User Conf iguration node modify registr y values in t he

16. Double-click the Save Changes button to create the button-click event handler. 17. Add the following code to the UpdateButton_Click event handler:

With the introduction of the .NET Framework 2.0, you can also use the XmlReader .Create method to create an instance of XmlReader that can validate XML. The XmlReader.Create method can accept an instance of the XmlReaderSettings class which allows you to specify the validation type by setting the XmlReaderSettings.ValidationType property. The available validation types are the same as the types shown in Table 9-5. You can specify a method to handle ValidationEvents by adding a handler to the ValidationEventHandler. The behavior is identical to the behavior of the

' VB ToolStripManager.Merge(Form1, Menu1) // C# ToolStripManager.Merge(Form1, Menu1);