Event Details
Operating System->Microsoft Windows->Built-in logs->Windows 2008 or higher->Security Log->System->Security System Extension->EventID 4622 - A security package has been loaded by the Local Security Authority.
EventID 4622 - A security package has been loaded by the Local Security Authority.
This event record indicates that the Local Security Authority (LSA) has successfully loaded a security package used for authenticating logon requests and/or for providing security services for application via Security Support Provider Interface (SSPI).

See the MSDN Article for details on SSPI.

Find more information about this event on ultimatewindowssecurity.com.

 Sample:
Log Name:      Security
Source:        Microsoft-Windows-Security-Auditing
Date:          10/27/2009 9:53:33 PM
Event ID:      4622
Task Category: Security System Extension
Level:         Information
Keywords:      Audit Success
User:          N/A
Computer:      dcc1.Logistics.corp
Description:   
A security package has been loaded by the Local Security Authority.
Security Package Name:	C:\Windows\system32\LSASRV.dll : Negotiate
Log Type: Windows Event Log
 Uniquely Identified By:
Log Name: Security
Filtering Field Equals to Value
OSVersion Windows Vista (2008)
Windows 7 (2008 R2)
Windows 8 (2012)
Windows 8.1 (2012 R2)
Windows 10 (2016)
Category System
Source Microsoft-Windows-Security-Auditing
TaskCategory Security System Extension
EventId 4622
Field Matching
FieldDescriptionStored inSample Value
DateTime Date/Time of event origination in GMT format. DateTime 10.10.2000 19:00:00
Source Name of an Application or System Service originating the event. Source Security
Type Warning, Information, Error, Success, Failure, etc. Type Success
User Domain\Account name of user/service/computer initiating event. User RESEARCH\Alebovsky
Computer Name of server workstation where event was logged. Computer DC1
EventID Numerical ID of event. Unique within one Event Source. EventId 576
Description The entire unparsed event message. Description Special privileges assigned to new logon.
Log Name The name of the event log (e.g. Application, Security, System, etc.) LogName Security
Task Category A name for a subclass of events within the same Event Source. TaskCategory
Level Warning, Information, Error, etc. Level
Keywords Audit Success, Audit Failure, Classic, Connection etc. Keywords
Category A name for an aggergative event class, corresponding to the similar ones present in Windows 2003 version. Category Account Logon
Object Name -
Whom -
Object Type -
Class Name -
Security ID -
Account Name -
Account Domain -
Security Package Name InsertionString1 C:\Windows\system32\LSASRV.dll : Negotiate
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