Information Technology Reference
In-Depth Information
Windows Server 2008 provides tools to manage and monitor server operation and resources,
including the following:
• Event Viewer
• Task Manager
• Reliability and Performance Monitor
• Windows Server Resource Manager
Event Viewer
Administrators use Event Viewer to examine event log entries generated by system services and
applications. A typical event log can contain hundreds or thousands of events, but usually, admin-
istrators are interested in events that indicate a problem. Events are categorized by these levels:
Information —Indicated by a blue i in a white circle, these events indicate normal opera-
tions, such as service stops and starts.
Warning —Indicated by a black ! inside a yellow triangle, warnings provide information
about events that should be brought to the administrator's attention. Warnings aren't nec-
essarily an indication of a problem, but are often an indication of a condition that can
lead to a more serious error.
Error —Error events, indicated by a white ! inside a red circle, are often generated when a
process or service is unable to perform a task or stops unexpectedly. Error messages should
be addressed immediately, as they indicate a configuration error or an operational problem.
You can examine several log files in Event Viewer (see Figure 13-10), including the
Application, Security, and System logs. For Active Directory events, you can view the Directory
Service log. AD DS generates many events, but you're usually most interested in warning and
error events. By clicking the Level column header, you can sort events and group them by level
to spot the most serious events easily. When an event is selected, descriptive information about
it is displayed in the bottom pane of the General tab. The Details tab shows additional technical
data about the event. For many events, you can also click the Event Log Online Help link in the
General tab to get more information.
13
Figure 13-10
Available logs in Event Viewer
 
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