Table of Contents
What is Dcdiag used for?
The DCDiag tool is a Microsoft command-line utility that can be used to check the health of Active Directory domain controllers. It is also used to diagnose DNS servers, AD replication, and other critical domain services within your Active Directory infrastructure.
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.
What is repadmin Replsummary?
/replsummary – Shows a report of a current state of replication and health in AD. /showattr – is used when you need to see object attributes. /showbackup – this setting displays the last backup time. /showrepl – If you need to know current replication status use this one.
What is DCPromo?
DCPromo (Domain Controller Promoter) is a tool in Active Directory that installs and removes Active Directory Domain Services and promotes domain controllers.
How can I tell if a domain controller is Tombstoned?
From what I have read on the internet the only definitive way to know a domain controller is tombstoned is to receive the “The Active Directory cannot replicate with this server because the time since the last replication with this server has exceeded the tombstone lifetime.” message when forcing replication.
What does DCDiag fix?
Analyzes the state of domain controllers in a forest or enterprise and reports any problems to help in troubleshooting. As an end-user reporting program, dcdiag is a command-line tool that encapsulates detailed knowledge of how to identify abnormal behavior in the system.
What is Replmon?
Replmon is a tool to generally look at replication and keep an eye on the progress. It would be a tool to help ensure replication is healthy in the environment.
What does Ntds stand for?
Directory Service
NTDS
Acronym | Definition |
---|---|
NTDS | Nt Directory Service |
NTDS | Naval Tactical Data System |
NTDS | NT Directory Service (Microsoft Windows NT operating system) |
NTDS | NASDAQ Trade Dissemination Service |
What is Sysvol?
SYSVOL is a folder which resides on every domain controller in domain. It contains the domains public files that need to be accessed by clients and kept synchronised between domain controllers. This share will be created automatically during the DC promotion.
How do I run repadmin on Server 2003?
To use repadmin, open the elevated command prompt. To open this prompt, right-click the start button and choose command prompt (admin) from the shortcut menu. And of course, you’ll have to login as the domain administrator. Next, run ntdsutil from the command prompt to start repadmin.
What is ad group windows?
An Active Directory Group is a collection of Active Directory objects. The group can include users, computers, other groups and other AD objects. Administrators can manage the group as a single object that helps to simplify network maintenance and administration.
What is ForestPrep and DomainPrep?
With ForestPrep, a member of the AD Enterprise Admins group or Schema Admins group can run the process on behalf of the Exchange administrator and provide the Exchange administrator with an AD account that has only the necessary permissions. DomainPrep also creates the Public Folder proxy container in AD.
Which is the best diagnostic tool for Active Directory?
Netdiag – general network diagnostics, especially useful is netdiag /fix for Windows Server 2003 R2 and earlier implementations Netdom – used for resetting domain member computer secure channels and setting up trust relationships ADSIEdit – used for browsing Active Directory structure from an LDAP perspective
How to collect a Windows networking diagnostic from an affected client?
To collect a Windows Networking Diagnostic from an affected client and its configured DNS server, follow these steps: Start network captures on the client and server: Clear the DNS cache on the DNS client by running the following command: Reproduce the issue.
How to find a domain controller for a server?
Use the nltest /dsgetdc:domainname command to verify that a domain controller can be located for a specific domain. Use the NSLookup tool to verify that DNS entries are correctly registered in DNS. Verify that the server host records and GUID SRV records can be resolved.
What is netdiag for Windows Server 2003 R2?
Netdiag – general network diagnostics, especially useful is netdiag /fix for Windows Server 2003 R2 and earlier implementations Netdom – used for resetting domain member computer secure channels and setting up trust relationships