Where is dcdiag exe

What kinds of tests does it perform? How to install Dcdiag There is a really good chance that you already have the Dcdiag tool installed. How to use Dcdiag examples DCDiag is very easy to use. Here are the tests that are performed, by default all tests except external name resolution run. Done gathering initial info. The server holding the PDC role is down. Easy right? Recommended Tools. I hope you found it useful. Very Helpful Thank you Reply.

No Problem Reply. Thanks for providing this information Reply. No problem Reply. Example 6: Use multiple switches My favorite Here tare the commands I like to run. Thank you. DC can run to Windows server ? The verbose output is recommended only if you see errors or warnings in the standard summary table and you want to investigate the problem with more details. The DCDiag utility tool allows you to export the health check results. Note that you can customize the name of the log file and save it in any specific folder.

You can open the results in notepad or any program that supports. DCDiag also allows you to perform additional functions like fixing issues, which is outside normal diagnosis. You can also customize the running tests, by either specifying a single test or skipping any. The DCDiag is a purely diagnostic tool. It runs various tests and only reports back its results. A word of caution! Even though the fix switch is designed to make safe automatic repairs, it is still making changes to the domain controller.

Additionally, you can make the DCDiag tool exclude specific tests. You can't apply the skip switch to the Connectivity Test. The DCDiag is an easy-to-use and simple, yet powerful utility for checking the health of your domain controllers. How to install DCDiag? What can you do with the DCDiag utility tool? The DCDiag command syntax. How to run DCDiag?

Remote DC health checks. Additionally, the SystemLog test can sometimes output hundreds of lines of information that may or may not be relevant. You can see how all of the extra information, including successful tests, is hidden from the output.

This makes it easy to focus on the failures. Now that we can run and understand the output of DCDiag, let's look at some common failures and errors and how to resolve them. However, the most common way to run it is with no parameters at all: Running it like this will cause DCDiag to run the default set of tests against the local server.

Let's look at a basic example: In this screenshot, the information in the blue box is the basic setup and core connectivity test. Common Failures Now that we can run and understand the output of DCDiag, let's look at some common failures and errors and how to resolve them. If no RODCs are present or are being planned, this error can be safely ignored. The SystemLog test will fail if there are any recent errors present in the server's system event log, even if the errors aren't AD related.

Due to this, any errors in the event log can cause DCDiag to report a failure for this test. You'll need to review the events reported to understand their severity and relevance.