Critical error “Unable to Determine AUT’s bit capacity” when recording a 64-bit .NET application

The following error is seen when launching a 64-bit .NET application during recording

Critical error "Unable to Determine AUT’s bit capacity"

LoadRunner does not support the recording of 64-bit .NET applications

The workaround is for customer to re-build and deploy the client as a 32-bit .NET application.


Use CorFlags to set the application to run as a 32-bit .NET application.

Refer to the following link for more help on using CorFlags.exe

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