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Beside this, what is the use of Ntdsutil command?
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.
Also, what does dcdiag fix do? Dcdiag checks critical domain controller functionality with tests for connectivity, DNS, AD replication, and SYSVOL replication and tests that check the Flexible Single Master Operation Role holders on the network. Since DNS is such a critical service for Active Directory, Dcdiag includes six advanced DNS tests.
People also ask, what are the tools used to check and troubleshoot Active Directory replication?
Repadmin is a command-line tool that's helpful to diagnose and repair Active Directory replication problems. In fact, repadmin.exe is built into versions starting from Windows Server 2008 and Windows Server 2008 R2. It is also available if you've installed AD DS or AD LDS server roles.
What is AD replication and why is it needed?
Active Directory replication ensures that the information or data between domain controllers remains updated and consistent. It is Active Directory replication that ensures that Active Directory information hosted by domain controllers is synchronized between every domain controller.