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LoadRunner Controller cannot create vusers

Seen this message and wondering what is wrong?

• Check if the load generators are configured properly and available.
• Close and reopen the scenario
• Some times if the above 2 steps don't help, I would recommend you to create a new scenario and browse and add the scripts and try again. 

LoadRunner Clean Uninstall

Many a times we may have to do a uninstall and re install again.  Make sure that you follow the below steps.

• Ensure that all LoadRunner Processes and Services are killed
• In case you have some scripts, scenarios to be backup ed, do it
• Run the uninstall program from LR or uninstall from control panel
• Reboot the machine. If you are using remote desktop to connect to the loadrunner machines, make sure you choose reboot and not shutdown :p
• Delete all Start Menu folders and all the LoadRunner folders that had got created as a part of the installation. 
• Search for wlrun.* and vugen.* and remove any files found. Do this on all the folders which were created as a part of the previous install. May be you can delete them from temp folders also if any found
• Do Start->Run->regedit
• Delete the below keys if they are present
• HKEY_CURRENT_USER ->Software -> Mercury Interactive -> LoadRunner
• HKEY_CURRENT_USER\Software\C:

Data Execution Prevention - Is it applicable now?

It was advised with versions prior to LoadRunner 11.5 to disable DEP due to some limitations of Citrix protocol.

LR 11.50 does not mention this. But still if you want to proceed, select the option shown below. This is for Windows Server 2008.

Select System Properties->Advanced->Performance->Settings to get the below screen.

Select Turn on DEP for essential Windows programs and services only and click Apply.

LoadRunner 11.50 General Limitations - User Account Control

There are many general limitations. I am just briefly introducing you to one I found today and had to spend a little time on.

To run LoadRunner on Windows 7 or 2008 Server, you must have

• Admin Privileges
• User Account Control must be disabled. 

To find out more on UAC on Windows Server 2008, 

• Do Start->Run->secpol.msc
• You must see the below screen and the highlighted one should be Disabled. 

How to find the LoadRunner patches installed on your machine

• Launch Controller or Analysis
• Click help->About HP LoadRunner XXXX 
• Click Details
• This will bring a Web Page with all the details

How to find LoadRunner License details

• After launching Controller (LoadRunner 11.5), click on LoadRunner License Utility. 

• This will display the below window with the licenses you have available on this Host/Controller