J2EE/.NET Diagnostics Overview
The Diagnostics integration with Application Lifecycle Management (ALM) allows you to monitor and analyze the performance of Java 2 Enterprise Edition (J2EE), .NET-connected, SAP, Oracle, and other complex environments.
During a performance test, you can drill down into Diagnostics data for the whole test or for a particular transaction. After the test, you can use LoadRunner Analysis to analyze offline diagnostics data generated during the test.

When configuring a performance test to use J2EE/.NET Diagnostics, you can instruct ALM to capture a percentage of server requests which occur outside the context of any Vuser transaction.
The benefit of enabling this functionality is that calls into a back-end VM can be captured even in the case where:
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The probe is not capturing RMI calls
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RMI calls cannot be captured (perhaps because an unsupported application container is being used)
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The application uses some other mechanism for communications between multiple VMs
For details about working with diagnostics for J2EE and .NET, see the Micro Focus Diagnostics User Guide.