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Windows Authentication with Apache JMeter

Windows Authentication is a popular security mechanism used in Microsoft Windows environments.
It helps control access to resources according to users’ Windows credentials.

Furthermore, it is often used in intranet scenarios to offer a single sign-on experience for users accessing web applications.

Apache Jmeter is a performance testing tool. It can simulate Windows Authentication in load testing scenarios.

However, simulating Windows Authentication with JMeter is more complex than simulating basic authentication.

Let’s take a look at how to simulate Windows Authentication with Apache Jmeter:

1. First, we have to set up the test environment. This includes the server with Windows Authentication-enabled resources, the JMeter machine, and other necessary network settings.
2. Then, we have to create a JMeter test plan or open an existing one.
3. After that, we have to add HTTP Authorization Manager to our test plan.
4. Next, we must set the “Base URL” to the URL of the resource that needs Windows Authentication.
5. At this point, we have to select Windows as the Mechanism in the Authorization Manager.
6. Furthermore, we have to specify the domain, username, and password of a user with access to the resource.
7. Then, add an “HTTP Request” sampler to our test plan. We have to configure it to access the URL of the protected resource.
8. Now, it is time to save our test plan and run the test. JMeter will send requests to the URL with the Windows Authentication credentials provided in the Authorization Manager.
9. Additionally, if use Kerberos-based Windows Authentication, we need additional configurations.
10. After the test is complete, we have to analyze the results.

Our experts would like to point out that simulating Windows Authentication in JMeter may have limitations and complexities. Additionally, JMeter’s capability to handle Windows Authentication may depend on the version of JMeter we are using.

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Conclusion

Today, our Support Techs introduced us to using Windows Authentication with Apache Jmeter.