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Topics related to active directory users

Backup Active Directory Domain Controller

This article will guide you on how to #backup #active #directory domain controller.
A System State backup generally includes a copy of any installed device #drivers and related files, most of the Windows directory, the #Windows #Registry, the Active Directory configuration (where applicable) and system files under Windows File Protection.
In production it is best practice to have at least 2 domain controllers per domain. If you factor in each child domain and the other domains that could easily scale up fast if you have two in each one.
To Configure Windows Backup Users on a Domain Controller:
1. Expand Active Directory "Users > Computers > Users".
2. Right-click the appropriate user who will be performing backups and click Properties.
3. On the Member Of tab, click Add to add the Backup Operators group to the User.
4. Click OK.

Find the Source of Account Lockouts in Active Directory


This article will guide you on steps to find the source of Account Lockouts in the Active Directory #domain.

The most common underlying cause for #AD account lockouts, beyond users forgetting their password, is a running application or background service on a device that is authenticating with stale credentials. 

To Track Source of Account Lockouts in #Active #Directory:

1. Search for the #DC (Domain Controller) having the PDC Emulator Role. 

2. Look for the Event ID 4740. 

3. Put Appropriate Filters in Place. 

4. Find Out the Locked Out Account Event Whose Information is Require. 

5. Open the #Event Report, to Find the Source of the Locked Out account.

Nagios Authentication and Importing Users with AD and LDAP

This article will guide you on how to integrate #Nagios Log Server with Active Directory or #LDAP to allow user authentication and validation with the Nagios Log Server interface.
Currently by default LDAP traffic (without SSL/TLS) is unsigned and unencrypted making it vulnerable to man-in-the-middle attacks and eavesdropping. After the patch or the windows update would be applied, LDAPS must be enabled with Active Directory.
To Set up Active Directory Authentication using LDAP:
1. Enter the LDAP "Server" and "Port" attributes on the Server Overview tab of the LDAP Users page.
2. Enter the proper base for the Active Directory in the "Base DN" attribute.
3. Set the Search Scope.
4. Enter the Username Attribute.
5. Enter the Search Filter.
6. Verify that the settings are correct by clicking the Verify button.

How to restore Deleted Active Directory Objects and Users

This article will put you through the steps to restore Deleted Active Directory Objects/Users. You can also right click on any unwanted change or object deletion in #Active #Directory and click “Rollback Change” to restore the change with a single-click.

Active Directory #Recycle Bin feature preserves all link valued and non link valued attributes. This means that a restored object will retain all it's settings when restored. By default, a deleted object can be restored within 180 days.

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