Windows Security Log Event ID 4801

4801: The workstation was unlocked

On this page

• Description of this event
• Field level details
• Examples

When a user unlocks his workstation you will see this event.

To find out when the workstation was previously locked look backwards in time for for event ID 4800.

If a screen saver is used, there is also a relationship between this event and 4802 (screen saver invoked) and 4803 (screen saver dismissed). For Interactive logons you may see this event or 4803. See event ID 4802 for the sequence of events.

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Description Fields in 4801

Subject:

The user and logon session involved.

• Security ID:  The SID of the account.
• Account Name: The account logon name.
• Account Domain: The domain or - in the case of local accounts - computer name.
• Logon ID is a semi-unique (unique between reboots) number that identifies the logon session.  Logon ID allows you to correlate backwards to the logon event (4624) as well as with other events logged during the same logon session.

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Mini-Seminars Covering Event ID 4801 Insider Gone Bad: Tracking Their Steps and Building Your Case with the Security Log Linking Logon to Logoff and Everything in Between with the Windows Security Log How to do Logon Session Auditing with the Windows Security Log Top 3 Workstation Logs to Monitor for Early Detection of Attacks: Security Log, PowerShell, Sysmon

 

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