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This topic describes naming for .NET Agent nodes. 

IIS Node Naming

By default, the AppDynamics .NET Agent names nodes using a combination of the Windows machine name, the tier name, and the name of the .NET application, as in the following format:

<machine NetBIOS name>-<tier>-<IIS site>/<app>

However, elements in the name may be omitted in these conditions:

  • The app name is omitted when the application is the root application for the IIS site.
  • The tier name is omitted when the tier name is the same as the IIS site name.

The following examples illustrate IIS node naming. 

Example 1
WIN-86M7CEJO6P5-Order Server-OrderSvc
  • WIN-86M7CEJO6P5 is the machine NetBIOS name.
  • Order Server is the tier name.
  • OrderSvc is the IIS site name. The application is the site root, so the agent omits the application name.
Example 2:
WIN-86M7CEJO6P5-Order Server-Store/ProcessOrder
  • Store is the IIS site name.
  • ProcessOrder is the application name within the site.

Different .NET versions of the same application have their own versions of the CLR and run on independent processes. Therefore the agent identifies the two processes as different nodes.

IIS Web Gardens

The syntax for web gardens is the same as IIS Nodes, except that the agent appends a zero-based process index to differentiate the worker processes. That is:

<machine NetBIOS name>-<tier>-<IIS site>/<app>-<process index>

When IIS first launches web garden processes, the agent assigns a sequential index to each process. However when IIS recycles a process, the agent reuses the available index freed by the terminated process. Therefore there is no correlation between the index sequence and the chronological start of the process.

Sometimes you may see more nodes than the maximum number of worker processes. This can happen when a long-running request prevents a process from shutting down before its replacement launches.

Windows Service or Standalone Application Nodes Naming

By default, the agent names Windows service and standalone application nodes as follows:

<machine NetBIOS name>-<tier>-<Windows service name or executable name>

The agent omits tier when the tier name is the same as the service name or executable name.

The following examples illustrate Windows service and standalone application naming.   

Example 1:
WIN-86M7CEJO6P5-MyWindowsService
  • WIN-86M7CEJO6P5 is the machine name.
  • MyWindowsService is the Windows service name.
Example 2:
WIN-86M7CEJO6P5-MyStandaloneApp.exe
  • WIN-86M7CEJO6P5 is the machine name.
  • MyStandaloneApp.exe is the executable file name.