Saturday 16 June 2012

General Load Runner Concept

General: How does LoadRunner license work?

LoadRunner requires license to function. The license entitles what protocol the user is permitted to run, the number of Vusers (or concurrent users it can generate) and the type of monitors available to the user.
After LR8.1 FP3, the license model have changed from individual or group protocols to Bundle
Licenses. In a Bundled License, the protocols of the same type are grouped together (e.g. Web
(HTTP/HTML), FTP, Winsock are grouped together into Web & Multimedia Bundle). This (in my opinion) provides a neater way to manage the licenses.


The license effectively constraints the Controller in the type of Vusers to run, the number of Vusers to run and the type of monitors entitled. As such, you can still install Vugen and Analysis to perform recording/replaying and analysis of the graphs without worrying about the license implications.

The license is usually bounded by a Host-ID which generates the License Key for the machine. Take note that if you change system values like System Date, this will create a security violation to the license causing it to fail when you startup Controller. If such things arises, it's advisable to contact Mercury/HP for an unlocking license.

The Host-ID changes everytime, however be assure that the license generated remains the same. This as described in KB 30252 is beacause the Host-ID is based on an algorithm to calculate the value out based on system values. That is why, changes such as the System Date may cause the Host-ID to be inconsistent with the License Key.

You can find more details using below link:
http://www.jds.net.au/tech-tips/loadrunner-licensing/

 

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