The IIS Transactions Layer
This layer will appear only if a .NET Profiler is installed and configured on the IIS web server to trace the path and monitor the performance of .NET business transactions.
A .NET Business Transactions test is mapped to this layer.
Figure 1 : The test mapped to the .NET Transactions layer
To know more about the .NET Business Transactions test, refer to the .NET Business Transaction Monitoring document. The IIS Web Transactions by Site test helps administrators to track occurrence of any errors while performing transactions via each website.