LoadRunner "Cannot start recording" for SAP -

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i attempting create loadrunner vuser script of sap. however, consistently getting error stating recording not started. below steps following attempt create recording. appreciated new sap , loadrunner.

using hp virtual user generator 11.00.0.0 ,
sap netweaver v7200.3.11.1074

steps:
1) select sapgui protocal , click 'create'
2) set program record , working directory click 'ok'

application type: win32 applications program record: sap logon program arguments: working directory: c:\program files (x86)\sap\frontend\sapgui record action: action

result:
window appears stating application being launched recording followed error stating recoding not started

1 know potentially causing type of issue?
there log file can watch more specific information regarding cause of issue?
other troubleshooting steps take?

time go installation requirements, including credentials on box. 95% ++ of time when cannot record reason due 1 or more of installation requirements not having been met. start , eliminate issues here before going further.

by way, not loadrunner, performance testing tool


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