Wednesday, 9 October 2013

Event ID 4624 Logon Types

Event ID 4624

- This event is generated when a logon session is created. It is generated on the computer that was accessed.
- This event is controlled by the security policy setting Audit logon events. See this article to know about how to enable active directory logon, logoff, failure events.

Event ID 4624 sample source:
An account was successfully logged on.

 Security ID:  SYSTEM
 Account Name:  MyPC$
 Account Domain:  TestDomain
 Logon ID:  0x3e7

Logon Type:   10

New Logon:
 Security ID:  TestDomain\Administrator
 Account Name:  administrator
 Account Domain:  WORKSVR2008
 Logon ID:  0x410cdac6
 Logon GUID:  {94470142-2d7b-9132-265f-335396a2c880}

Process Information:
 Process ID:  0x1810
 Process Name:  C:\Windows\System32\winlogon.exe

Network Information:
 Workstation Name: MyPC
 Source Network Address: fe80::f479:c045:e4c3:1390
 Source Port:  62855

Detailed Authentication Information:
 Logon Process:  User32 
 Authentication Package: Negotiate
 Transited Services: -
 Package Name (NTLM only): -
 Key Length:  0

This event is generated when a logon session is created. It is generated on the computer that was accessed.

The subject fields indicate the account on the local system which requested the logon. This is most commonly a service such as the Server service, or a local process such as Winlogon.exe or Services.exe.

The logon type field indicates the kind of logon that occurred. The most common types are 2 (interactive) and 3 (network).

The New Logon fields indicate the account for whom the new logon was created, i.e. the account that was logged on.

The network fields indicate where a remote logon request originated. Workstation name is not always available and may be left blank in some cases.

The authentication information fields provide detailed information about this specific logon request.
 - Logon GUID is a unique identifier that can be used to correlate this event with a KDC event.
 - Transited services indicate which intermediate services have participated in this logon request.
 - Package name indicates which sub-protocol was used among the NTLM protocols.
 - Key length indicates the length of the generated session key. This will be 0 if no session key was requested.

Logon Types

The following table lists the Logon Types for the Events ID 4624

Logon TypeDescription
2Interactive -(A user logged on to this computer.)
3Network -(A user or computer logged on to this computer from the network.)
4Batch -(Batch logon type is used by batch servers, where processes may be executing on behalf of a user without their direct intervention.)
5Service -(A service was started by the Service Control Manager.)
7Unlock -(This workstation was unlocked.)
8NetworkCleartext -(A user logged on to this computer from the network. The user's password was passed to the authentication package in its unhashed form. The built-in authentication packages all hash credentials before sending them across the network. The credentials do not traverse the network in plaintext (also called cleartext).)
9NewCredentials -(A caller cloned its current token and specified new credentials for outbound connections. The new logon session has the same local identity, but uses different credentials for other network connections.)
10RemoteInteractive -(A user logged on to this computer remotely using Terminal Services or Remote Desktop.)
11CachedInteractive -(A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller was not contacted to verify the credentials.)

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