Old free Microsoft Web Application Stress Tool - official download link?


I am looking to download an old Microsoft Web Application Stress Test Tool (WAST)

1 Answer

It looks like Microsoft has depricated the original Web Application Stress Test tool. In some few places various people have saved the binaries that are available for download:

Here is IBM's support site:


Also, the is another tool developed by Microsoft's dev community. The tool is called WCat. Web Capacity Analysis Tool (WCAT) is a lightweight HTTP load generation tool primarily designed to measure the performance of a web server within a controlled environment. WCAT can simulate thousands of concurrent users making requests to a single web site or multiple web sites.

Web Capacity Analysis Tool could be downloaded from here:


May I just throw in the link to Apache JMeter as an Open Source web stress test tool:


Hope this helps!


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