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If you found any errors after running the above command, you can fix it using the following command:ĭcdiag.exe /s: /fix Run DCDiag to Perform Specific Test If you want to remove the additional information from the test results and only want to display errors, you can use /q switch as shown below: If you have multiple domain controllers in your environment and want to perform tests against all domain controllers, then you can use /a switch with the DCDiag utility:ĭcdiag.exe /s: /a Run DCDiag to Display Only Error Messages Run DCDiag Against all Domain Controllers You should see the results in the following screen: You can also test your DNS using the /test:dns switch as shown below: This command will perform tests and save results in a file dcdiag.txt, or whatever you name it! If you want to save the test results in a file then you can use /f switch with DCDiag command as shown below:ĭcdiag.exe /s: f:c:\dcdiag.txt You can run the DCDiag utility with /v switch to display the results with more information. You should see the tests result in the following screen: SHUTDOWN CLIENT PC FROM DOMAIN CONTROLLER PASSWORDIf you want to check the health of a remote domain controller, run the DCDiag utility by specifying your remote domain controller name, administrator username and password as shown below:ĭcdiag.exe /s: /u:\Administrator /p:password To perform the Domain Controller test on your local system, run the DCDiag utility without any argument: xsl: Adds the processing instructions that references specified stylesheet. Currently works with /test:dns option only f: Redirect all output to a file seperately c: Comprehensive, runs all tests, including non-default tests but excludingĭcPromo and RegisterInDNS. i: ignore - ignores superfluous error messages. e: Test all the servers in the entire enterprise. u: Use domain\username credentials for binding. RegisterInDns tests which can only be run locally.ĭomains may be specified in Netbios, DNS or DN form. You can display the help information about the DCDiag utility using the following command: So you can run it on a Command Prompt or PowerShell window as an Administrative user. ![]() Save the test result to a specified file. Only display an error message after testing the domain controller. Perform tests against all domain controllers. Used to perform tests against the remote Domain Controller.Īllows you to specify the username of the remote Domain Controller.Īllows you to specify the password of the remote Domain Controller user. The basic syntax of the DCDial utility is shown below:ĭcdiag.exe /s:Domain-Controller Ī brief explanation of each option is shown below: SHUTDOWN CLIENT PC FROM DOMAIN CONTROLLER INSTALLIn a Client OS versions Windows 10/8.1/7, you will need to install the RSAT tool and then install the DCDiag utility manually from the Support Tools package. SHUTDOWN CLIENT PC FROM DOMAIN CONTROLLER DOWNLOADIn previous versions of Windows Server, you need to download and install the DCDiag utility from the following link: If you running the modern Windows Server 2019/2016/2012R2 versions and have AD DS and RSAT roles installed, then you already have Dcdiag installed. SHUTDOWN CLIENT PC FROM DOMAIN CONTROLLER HOW TOIn this guide, we will show you how to check the health of your Active Directory Domain Controller with DCDiag utility. SHUTDOWN CLIENT PC FROM DOMAIN CONTROLLER REGISTRATIONVerify DNS registration for each domain controller and verify LDAP and RPC connections to each domain controller.Ĭhecks whether the domain controller is correctly reporting or not.Ĭhecks that all application directory partitions have appropriate security descriptor reference domains.Ĭhecks the validity of cross-references for domains.Ĭhecks to see the errors in the file replication service.Ĭhecks the connectivity between the domain controller and KDC, PDC and a global catalog server.Ĭhecks the registration status of the machine account.Ĭhecks the appropriate logon permissions to allow replication to proceed.Ĭhecks the replication status and errors between domain controllers.Ĭhecks whether the RID manager is accessible or not. Some of the test performed by the DCDiag utility is shown below: ![]() With this utility, you can perform up to 30 different tests of your Active Directory Domain Controller to check its health status and other major issues that could be happening without you even knowing! This utility also allows you to check the health of all Domain Controller at a time. These tests give you a brief overview of the overall health of your Active Directory Domain Controller. ![]() It is also used to diagnose DNS servers, AD replication, and other critical domain services within your Active Directory infrastructure. The DCDiag tool is a Microsoft command-line utility that can be used to check the health of Active Directory domain controllers. Today we’re going to take a deep dive into performing Domain Controller Health Checks
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