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Understanding the Account Lockout

Hi, an interesting topic for the protection of domain user accounts is the account lockout or Account Lockout.

Why protect user accounts and passwords? First we must consider security as a statute that should govern our organization. A level of domain user accounts can achieve enabling auditing, protection of disabled accounts, passwords and complex.

locks user accounts after a defined number of failed attempts to logon because an incorrect password is entered.

locks user accounts in a domain are defined in a GPO or a Group-wide domain.

We can put to work is changing the Group Policy Default Policy Domain Policy or Domain using GPMC or the Active Directory Users and Computers.

Enable account lockout:

1. We entered the Active Directory and make you right click the domain and select properties, load a window and enter the Group Policy tab and click on Edit.
2. Expand the Group Policy: Computer Settings, Windows Settings, Security Settings, Account Policies, Account Lockout Policy.
   
3. We define three values \u200b\u200bfor the account lockout.


4. Account Lockout Threshold : Defines the number of failed attempts to lock user accounts. It is recommended that the fifth attempt to lock the account, so write 5 .


5. Account Lockout Duration: Sets the time to lock the user account. The default is 30 minutes when we define the Account Lockout Threshold. Rather after 30 minutes the account will unlock itself. If you never want to unlock and manually unlocked by an administrator must enter 0.


6. Reset account lockout counter after : Sets the time in which the value Badpwdcount is reset, the default is 30 minutes when we define the Account Lockout Threshold. Rather than 30 minutes must not exceed the value the value defined in the Account Lockout Threshold, otherwise the account is locked. Finally


7. hope that politics runs in the domain. Policies of groups spread over a period of 30 to 90 minutes automatically.
   

When a user account is locked the following screen appears:

To unlock a user has entered the Active Directory Users and Computers, identify the user, right click and select Properties. In the Properties window we go to the Account or Account tab and uncheck "Account is Locked out .

Applying lockout policies accounts can be identified:

• locked user accounts can be viewed from the Event Viewer on any domain controller. Option: Security, Event 644.
• Identify where the accounts are blocked in that workstation or server. This will let you know because service accounts or block users help us with problem-solving tasks.

Video:

I welcome your comments.

Greetings!