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What does Windows event ID 4740 indicate?

Event ID 4740 is generated on domain controllers, Windows servers, and workstations every time an account gets locked out. Event ID 4767 is generated every time an account is unlocked.

How do I find my event ID 4740?

Step 2 – Look for the Event ID 4740 Open the event log viewer of the DC. Go to the security logs, and search for the Event ID 4740.

What is Event ID 4738?

Event 4738 is generated every time a user object is changed. At times, this event may not show any changes—that is, all Changed Attributes appear as “-. “ This usually happens when a change is made to an attribute that is not listed in the event. In this case, there’s no way to determine which attribute was changed.

What is the event ID for failed logon?

Introduction. Event ID 4625 (viewed in Windows Event Viewer) documents every failed attempt at logging on to a local computer. This event is generated on the computer from where the logon attempt was made. A related event, Event ID 4624 documents successful logons.

What causes account lockouts?

The common causes for account lockouts are:

  • End-user mistake (typing a wrong username or password)
  • Programs with cached credentials or active threads that retain old credentials.
  • Service accounts passwords cached by the service control manager.

How do I check if a user is locked in Event Viewer?

Find Locking Computer Using Event Logs Expand “Windows Logs” then choose “Security“. Select “Filter Current Log…” on the right pane. Replace the field that says “” with “4740“, then select “OK“. Select “Find” on the right pane, type the username of the locked account, then select “OK“.

How do I find my account lockout event ID?

The event ID 4740 needs to be enabled so it gets locked anytime a user is locked out. This event ID will contain the source computer of the lockout. Open the Group Policy Management console. This can be from the domain controller or any computer that has the RSAT tools installed.

How do I trace account lockout source?

How to: Trace the source of a bad password and account lockout in AD

  1. Step 1: Download the Account Lockout Status tools from Microsoft.
  2. Step 2: Run ‘LockoutStatus.exe’
  3. Step 3: Choose ‘Select Target’ from the File menu.
  4. Step 4: Check the results.
  5. Step 5: Check the Security log on one of these DCs.

What is a user account was changed?

4738: A user account was changed. The user identified by Subject: changed the user identified by Target Account:. Attributes show some of the properties that were set at the time the account was changed. This event is logged both for local SAM accounts and domain accounts.

What is a UAC value?

Old UAC Value [Type = UnicodeString]: specifies flags that control password, lockout, disable/enable, script, and other behavior for the user account. New UAC Value [Type = UnicodeString]: specifies flags that control password, lockout, disable/enable, script, and other behavior for the user account.

What is an event ID?

Event identifiers uniquely identify a particular event. Each event source can define its own numbered events and the description strings to which they are mapped in its message file. Event viewers can present these strings to the user.

How do I investigate failed login attempts?

Open Event Viewer in Active Directory and navigate to Windows Logs> Security. The pane in the center lists all the events that have been setup for auditing. You will have to go through events registered to look for failed logon attempts.

What does 4740 event in Active Directory mean?

Now, let’s take a closer look at 4740 event. This can help us troubleshoot this issue. A user account was locked out. This shows Date/Time of event origination in GMT format. This shows the Name of an Application or System Service originating the event. This is the user/service/computer initiating event.

What does event ID 4767 for account unlocked mean?

See event ID 4767 for account unlocked. This event is logged both for local SAM accounts and domain accounts. The user and logon session that performed the action. This will always be the system account. Security ID: The SID of the account. Account Name: The account logon name.

Why is event ID 4740 not logging in Event Viewer?

Simple to run and email notifications with user name and computer causing the lockout. This application (while good) is completely dependent upon the underlying native event logs actually logging the events in question. If 4740’s aren’t even being logged – the tool is borderline useless. Was this post helpful? Thanks for your feedback!

Where to find event ID 4740 for account lockouts?

Computer Configuration > Policies → Windows Settings → Security Settings → Advanced Audit Policy Configuration → Audit Policies → Account Management: Audit User Account Management → Define → Success and Failures. Thanks for your feedback! Michael (Netwrix) Looks like that was the missing link!