Windows Event Log and its Types

 Windows Event Log

The Windows event log refers to a detailed record that is related to security, system and application notifications that are stored by the Windows operating system. It is used by administrators for the purpose of diagnosing issues with the system and forecasting future problems. An event log can be generated by the Windows operating system with regard to any activity on its software or hardware components. These event logs are used to record such software and hardware actions that are important and which can be used by the administrators to troubleshoot issues with the operating system. Specific events are tracked by the Windows operating system in its log files. Some of these are system setup operations on initial startup, application installations, security management etc. These logs can be analyzed and aggregated by operations and network security analysts with the aid of specialized software tools.

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What are the types of Windows Event Logs?

Windows is pre-configured to classify Windows event logs in the following six categories-

System Log – Those events that occur within the operating system itself are recorded by a system log. Its examples are sign-in and sign-out events, driver errors during start-up etc.

Application Logs – If an event takes place inside an application, then an application log gets created. With the aid of these logs, code developers can understand and measure the behavior of applications during their development stage as well as prior to their release.

File Replication Service Log – It is another type of a log file. This type of file is available only for domain controllers. It records information that is related to file replications which take place in the system.

Directory Service Logs – These logs might be generated by a computer which has been configured to respond to requests related to security authentication within a Windows Server domain, which is also known as a domain controller. Authentication operations, user privilege changes and other operations and requests which take place in the Windows Active Directory are recorded by these logs.

Security Logs – These type of logs get created in response to security issues that occur in the computer. Its examples are password changes, file deletion, failed log-ins, failed authentication requests etc. The types of events that need to be entered into the security log can be configured by the network administrators.

DNS Server Logs – These are a special type of log files. These record a DNS server’s activity.

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