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Event ID: 4634 Source: Microsoft-Windows-Security-Auditing

Description
An account was logged off.

Subject:
   Security ID:  ANONYMOUS LOGON
   Account Name:  ANONYMOUS LOGON
   Account Domain:  NT AUTHORITY   Logon ID:  0x753ef
Logon Type: 3

This event is generated when a logon session is destroyed. It may be positively correlated with a logon event using the Logon ID value. Logon IDs are only unique between reboots on the same computer.
Comments
 
See EV100215 for some comments about this type of event. EV100216 provides a description of each logon type.

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