Event ID 4771 - Kerberos pre-authentication failed
Event ID | 4771 |
Category | Account Logon |
Sub category | Kerberos Authentication Service |
Description | Kerberos pre-authentication failed |
When a Kerberos pre-authetication fails, event ID 4771 is logged.
This log data gives the following information:
Account Information | Account Name Supplied Realm Name User ID |
Service Information | Service Name Service ID |
Network Information | Client Address Client Port |
Additional Information | Ticket Options Failure Code Pre-Authentication Type |
Certificate Information | Certificate Issuer Name Certificate Serial Number Certificate Thumbprint |
Why event ID 4771 needs to be monitored?
- Prevention of privilege abuse
- Detection of potential malicious activity
- Operational purposes like getting information on user activity like user attendance, peak logon times, etc.
- Compliance mandates
Pro tip:
ADAudit Plus account logon real-time pre-configured reports help identify miscreant users attempting logon into machines that requires elevated privileges and provide evidence for any action administered by any user. These reports can be advantageously in overcoming account logon audit challenges.
Event 4771 applies to the following operating systems:
- Windows Server 2008 R2 and Windows 7
- Windows Server 2012 R2 and Windows 8.1
- Windows Server 2016 and Windows 10
Corresponding event ID for 4771 in Windows Server 2003 and older is 675
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