To set up eValid for 50 (or more) simultaneous users you use the Data Synthesis approach.
* To have one script run repetitively, after adjusting values of parameters in your script, you can use the powerful eValid Data Synthesis capability (this capability works in LoadTest runs also):
http://www.e-Valid.com/Products/Documentation.9/Generate/synthesize.data.html Unfortunately, you can't get more than 10 simultaneous browsers from your DEMO/EVAL license.
* Your eValid EVAL/EVAUTO and DEM0/EVDEMO licenses are intended to have full product functionality, so you can evaluate eValid's range of features. However, they do have certain technical limits, described here:
http://www.e-Valid.com/Products/License/eval.limits.9.htmlWe have some very attractive licensing schemes for eValid? Do you want us to make up a quote? For server loading, I'm guessing; but for how long? A quarter or a full year?
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The eValid Team