What does metadata cleanup do?
Metadata cleanup removes stale data and entries from ADDS that are identified as a domain controller to the replication system. It also transfer or seize any flexible single master operations (FSMO) roles that the retired domain controller holds.
What is ntdsutil command used for?
You can use the ntdsutil commands to perform database maintenance of AD DS, manage and control single master operations, and remove metadata left behind by domain controllers that were removed from the network without being properly uninstalled. This tool is intended for use by experienced administrators.
How do you use dcdiag?
To use dcdiag, you must run the dcdiag command from an elevated command prompt. To open an elevated command prompt, click Start, right-click Command Prompt, and then click Run as administrator.
What does RepAdmin Replsummary do?
The Repadmin /Replsummary command provides an active directory replication summary. As you can see in the figure above, this command provides you with a summary view of the current replication health. Those updates are then replicated to the other domain controllers in the domain.
What is delete subtree server control?
WARNING: if you select Use Delete Subtree server control check box, all objects within the subtree, including all delete-protected objects, will be deleted, and the deletion cannot be canceled. As the warning suggests, there are other objects within the object you are trying to delete.
How do I clean up Active Directory users?
Best practices for cleaning up Active Directory
- Best practice #1: remove disabled accounts.
- Best practice #2: find and remove inactive accounts.
- Best practice #3: delete unused accounts.
- Best practice #4: tackle accounts with expired passwords.
- Best practice #5: consolidate or remove inactive or empty groups.
How do I clean up metadata?
Click the name of the domain controller from which you want to remove the metadata, and then click OK. Expand the site of the domain controller that was forcibly removed, expand Servers, expand the name of the domain controller, right-click the NTDS Settings object, and then click Delete.
How do you use NTDSUtil?
Select Start, select Run, type ntdsutil in the Open box, and then press ENTER. At the Ntdsutil command prompt, type files, and then press ENTER. At the file maintenance command prompt, type recover, and then press ENTER. Type quit, and then press ENTER.
What does DCDiag fix?
The DCDiag is a Microsoft Windows diagnostics command-line tool for domain controller health checks and troubleshooting. With the DCDiag, you can run about 30 different health checks on a domain controller and test DNS settings, replication health, errors, and more.
How do I test DNS with DCDiag?
To verify dynamic update
- Open a command prompt as an administrator. To open a command prompt as an administrator, click Start.
- At the command prompt, type the following command, and then press ENTER: dcdiag /test:dns /v /s: /DnsDynamicUpdate.
How do you use Repadmin?
To use Repadmin.exe, you must run the ntdsutil command from an elevated command prompt. To open an elevated command prompt, click Start, right-click Command Prompt, and then click Run as administrator. You can use Repadmin.exe to view the replication topology, as seen from the perspective of each domain controller.