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Hands-On Microsoft Windows Server 2008

Hands-On Microsoft Windows Server 2008. Chapter 12 Managing System Reliability and Availability. Objectives. Understand general problem-solving strategies Resolve boot problems Use and configure Event Viewer. Objectives (continued). Troubleshoot network connectivity

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Hands-On Microsoft Windows Server 2008

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  1. Hands-On Microsoft Windows Server 2008 Chapter 12 Managing System Reliability and Availability

  2. Objectives • Understand general problem-solving strategies • Resolve boot problems • Use and configure Event Viewer Hands-On Microsoft Windows Server 2008

  3. Objectives (continued) • Troubleshoot network connectivity • Remotely administer a server using Remote Desktop • Remotely administer multiple servers using Remote Server Administration Tools Hands-On Microsoft Windows Server 2008

  4. General Problem-Solving Strategies • The best approach to solving server and network problems is to develop effective troubleshooting strategies • Four general strategies are: • Understanding how a server and the network interact • Training your users to help you solve problems • Solving problems step by step • Tracking problems and solutions Hands-On Microsoft Windows Server 2008

  5. Understanding How Servers and the Network Interact • Many server and network administrators create a diagram of the entire network or diagrams of different portions of a network • And then update the diagrams each time an aspect of the network changes Hands-On Microsoft Windows Server 2008

  6. Hands-On Microsoft Windows Server 2008

  7. Understanding How Servers and the Network Interact (continued) • A network diagram should include the following elements: • Servers and any mainframes • Workstations and network printers • Wireless network devices • Cabled network devices • Telecommunications links • Wireless links • Remote links • Building locations Hands-On Microsoft Windows Server 2008

  8. Training Users to Help • Train network users to be your partners in reporting problems • For example, they should: • Save their work at the first sign of a problem • Record information about a problem as the problem is occurring • Report any protocol information, such as error messages about a protocol or an address • Quickly report a problem by telephone, or by voice mail if you cannot be reached immediately • Avoid sending e-mail about urgent problems Hands-On Microsoft Windows Server 2008

  9. Solving Problems Step-by-Step • Steps include: • Get as much information as possible about the problem • Record the error message at the time it appears or when a user reports it to you • Determine if anyone else is experiencing the problem • Check the Windows Server 2008 event logs for signs of a problem • Use Performance Monitor, Reliability Monitor, Data Collector Sets, Task Manager, Server Manager, and the Computer Management tool to help you troubleshoot problems Hands-On Microsoft Windows Server 2008

  10. Solving Problems Step-by-Step (continued) • Steps include: (continued) • Check for power interruptions • Take the information you have gathered and define the problem • Determine possible solutions for the problem • Consider the best or most likely solutions • Determine how the solution will affect users • After your solution is implemented, continue monitoring the server to ensure there are no further problems Hands-On Microsoft Windows Server 2008

  11. Tracking Problems and Solutions • Keep a log of all network problems and their solution • Help desk system • Application software designed to maintain information on computer systems, user questions, problem solutions, and other information that members of the organization can reference • The advantage of tracking problems is that you soon accumulate a wealth of information on solutions • It is also good practice to keep a change log • A record of changes made to a server’s hardware and software Hands-On Microsoft Windows Server 2008

  12. Resolving Boot Problems • Some of the common causes of boot failures include: • Disk failure on the drive or drives containing the system and boot files • A corrupted partition table • A corrupted boot file • A corrupted master boot record • A disk read error • In most cases, the first step is to power off the computer and try rebooting it Hands-On Microsoft Windows Server 2008

  13. Troubleshooting by Using Safe Mode • Safe Mode • Boots the server using the most generic default settings and only those services needed to boot a basic configuration • After you boot into Safe Mode, you have the opportunity to further troubleshoot the problem Hands-On Microsoft Windows Server 2008

  14. Hands-On Microsoft Windows Server 2008

  15. Troubleshooting by Using Safe Mode (continued) • To access the Advanced Boot Options menu: • Reboot the computer • Press F8 as soon as the computer boots • Select the option you want to use, such as Safe Mode, and press Enter • If you use Safe Mode, but are unable to troubleshoot the problem, or a failed driver message is displayed during the boot process • Use the Enable Boot Logging option so that you can create a log that you can later check for problems Hands-On Microsoft Windows Server 2008

  16. Hands-On Microsoft Windows Server 2008

  17. Troubleshooting by Using Safe Mode (continued) • Activity 12-1: Booting into Safe Mode • Time Required: Approximately 15 minutes • Objective: Learn how to boot into Safe Mode Hands-On Microsoft Windows Server 2008

  18. Troubleshooting by Using the Installation DVD • Windows Complete PC Restore • When you create a VSS full backup using the Windows Server Backup tool • This creates a backup of the data and program files and the system state data • System state data • Includes the operating system plus extra components and information that reflect the currently configured state of the server • When you back up the system state data, you also are backing up the system protected files Hands-On Microsoft Windows Server 2008

  19. Troubleshooting by Using the Installation DVD (continued) • Windows Server 2008 offers the capability to perform a Windows Complete PC Restore • From the Windows Server 2008 installation DVD • Windows Memory Diagnostic Tool • Another tool available from the Repair your computer option on the Windows Server 2008 installation DVD • Used to test the RAM in your computer Hands-On Microsoft Windows Server 2008

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  21. Troubleshooting by Using the Installation DVD (continued) Hands-On Microsoft Windows Server 2008

  22. Troubleshooting by Using the Installation DVD (continued) • Activity 12-2: Performing Memory Diagnostics • Time Required: Approximately 15 minutes • Objective: Learn how to test RAM Hands-On Microsoft Windows Server 2008

  23. Troubleshooting by Using the Installation DVD (continued) • Using the Command Prompt • When you insert the installation DVD, you can use it to access the command prompt • So that you can repair a disk problem or copy a critical file back to the server • You can execute many commands from the command prompt Hands-On Microsoft Windows Server 2008

  24. Hands-On Microsoft Windows Server 2008

  25. Troubleshooting by Using the Installation DVD (continued) • Activity 12-3: Using the Command Prompt • Time Required: Approximately 15 minutes • Objective: Learn how to access the command prompt from the Windows Server 2008 installation DVD Hands-On Microsoft Windows Server 2008

  26. General Tips for Fixing Boot Problems • Stop message • An error message displayed when the server experiences a serious problem and then stops functioning Hands-On Microsoft Windows Server 2008

  27. Hands-On Microsoft Windows Server 2008

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  29. Hands-On Microsoft Windows Server 2008

  30. Using and Configuring Event Viewer • Event Viewer • Houses the event logs that record information about all types of server events, in the form of errors, warnings, and informational events • Windows Server 2008 event logs are divided into three general categories: • Windows logs, applications and services logs, and Microsoft logs Hands-On Microsoft Windows Server 2008

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  32. Using and Configuring Event Viewer (continued) • Windows generates four logs for reporting general operating system and software application events: • System log • Security log • Application log • Setup log • Admin logs • Designed to help give the system administrator information about a specific problem and its causes and may suggest how to solve the problem Hands-On Microsoft Windows Server 2008

  33. Using and Configuring Event Viewer (continued) • Operational log • Tracks occurrences of specific operations, such as when a disk drive is added • Applications and services logs available in Event Viewer include: • DFS Replication log • Directory Service log • DNS Server log • File Replication Service log • Hardware Events • Internet Explorer Hands-On Microsoft Windows Server 2008

  34. Using and Configuring Event Viewer (continued) • Analytic logs • Relate to how programs are operating and are typically used by application or system programmers • Debug logs • Used by application developers to help trace problems in programs so they can fix program code or program structures Hands-On Microsoft Windows Server 2008

  35. Viewing Log Events • Log events are displayed in Event Viewer with an icon that indicates the seriousness of the event • Each log displays descriptive information about individual events, including the following: • Description of the event • Name of the log in which the event is recorded • Source of the event • Event ID • Level of the event—information, warning, error • User associated with the event, if any • OpCode of the event Hands-On Microsoft Windows Server 2008

  36. Viewing Log Events (continued) • Event Viewer can be opened from the Administrative Tools menu, as an MMC snap-in, from the Computer Management tool, and from Server Manager • To view the contents of a log, click that log in the tree under Event Viewer • To view the detailed information about an event, double-click the event • The event logs are a good source of information to help you troubleshoot a software or hardware problem Hands-On Microsoft Windows Server 2008

  37. Viewing Log Events (continued) Hands-On Microsoft Windows Server 2008

  38. Using the Event Viewer Filter Option • All of the event logs in Event Viewer have a filter option to help you quickly locate a problem • The events can be filtered on the basis of the following criteria: • When the event was logged, such as in the last seven days • Event level, such as information, warning, error, critical, and verbose • By log, such as the system or security log • By source of the event, such as a particular service or software component Hands-On Microsoft Windows Server 2008

  39. Using the Event Viewer Filter Option (continued) • The events can be filtered on the basis of the following criteria: (continued) • Task category of the event, such as a security change • Keywords, such as Audit Failure and Audit Success • User associated with the event • Computer associated with the event • Date range • Time of day range Hands-On Microsoft Windows Server 2008

  40. Maintaining Event Logs • The event logs quickly fill with information • Logs can be maintained using several methods, as follows: • Size each log to prevent it from filling too quickly • Overwrite the oldest events when the log is full • Archive the log when it is full • Clear the log manually (does not overwrite events) • It is recommended that you develop a maintenance schedule • To save the log contents for a designated time period Hands-On Microsoft Windows Server 2008

  41. Maintaining Event Logs (continued) • To tune the event logs, open Event Viewer and right-click each log you want to tune, one at a time • And click Properties • On the General tab, set the log size in the Maximum log size (KB): box • You can save the log as one of the following kinds of files: • .evtx • .xml • .txt • .csv Hands-On Microsoft Windows Server 2008

  42. Maintaining Event Logs (continued) • Activity 12-4: Using Event Viewer • Time Required: Approximately 10 minutes • Objective: Use Event Viewer to view system log events Hands-On Microsoft Windows Server 2008

  43. Troubleshooting Connectivity • One area that server and network administrators often troubleshoot is TCP/IP connectivity • Both command-line tools and graphical tools are available for troubleshooting Windows Server 2008 connectivity Hands-On Microsoft Windows Server 2008

  44. Command-Line Tools • Some TCP/IP utilities, such as Telnet, have IP troubleshooting tools built in • Type ipconfig to view a dialog box showing the adapter address (MAC or Ethernet), IP address, subnet mask, and other information for that computer • Type ping to poll the presence of another TCP/IP computer • netstat is a quick way to verify that a workstation or server has established a successful TCP/IP connection Hands-On Microsoft Windows Server 2008

  45. Command-Line Tools (continued) Hands-On Microsoft Windows Server 2008

  46. Command-Line Tools (continued) Hands-On Microsoft Windows Server 2008

  47. Command-Line Tools (continued) Hands-On Microsoft Windows Server 2008

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  49. Command-Line Tools (continued) • Activity 12-5: Using TCP/IP Connectivity Troubleshooting Tools • Time Required: Approximately 10 minutes • Objective: Learn how to use nbtstat and netstat Hands-On Microsoft Windows Server 2008

  50. Graphical Tools • You can use a GUI (graphical user interface) tool for diagnosing and repairing network problems • The Network and Sharing Center • Can provide a simple GUI representation of the network to show if network connectivity problems exist between your server and the network or the Internet • Another way to use the Network and Sharing Center is to have it diagnose a specific connection, • Such as the Local Area Connection from the Network Connections Window Hands-On Microsoft Windows Server 2008

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