\ Event ID 675 - Pre-authentication failed

Account Logon Event: 675

Active Directory Auditing Tool

The Who, Where and When information is very important for an administrator to have complete knowledge of all activities that occur on their Active Directory. This helps them identify any desired / undesired activity happening. ADAudit Plus assists an administrator with this information in the form of reports. In real-time, ensure critical resources in the network like the Domain Controllers are audited, monitored and reported with the entire information on AD objects - Users, Groups, GPO, Computer, OU, DNS, AD Schema and Configuration changes with 200+ detailed event specific GUI reports and email alerts.

Account Logon Event ID 675 - Pre-authentication failed

Event ID 675 - Pre-authentication failed

Event ID 675
Category Account Logon
Sub category Pre-authentication failed
Description Pre-authentication failed

When Pre-authentication fails in Active Directory, event ID 675 is logged.

This log data gives the following information:

User Name
User ID
Service Name
Pre-Authentication Type
Failure Code
Client Address

Why event ID 675 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 675 applies to the following operating systems:

  • Windows Server 2000
  • Windows 2003 and XP

Corresponding event ID for 675 in Windows Server 2008 and Vista is 4771