This page applies to an earlier version of the AppDynamics App IQ Platform.
For documentation on the latest version, see the 4.4 Documentation.

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To monitor IIS applications, Windows services, or standalone applications, install the AppDynamics .NET Agent once on each machine that hosts managed .NET applications. At start up, the agent initializes an individual instance of itself for each application running in the CLR.

This topic describes a new installation for the .NET Agent.

Installation Overview

  1. Install the the agent.
  2. Configure the agent.
  3. Restart instrumented applications.
    • For IIS, the configuration utility gives you the option to restart IIS or not.
    • If you don't restart IIS, monitoring doesn't begin until the next time IIS restarts.
    • You must restart Windows services and standalone applications manually.


The following Windows services must be enabled and running:

Microsoft Distributed Transaction Coordinator (MSDTC): MSDTC must run under the "NT Authority\NetworkServices" account. See "Verify MSDTC" on Resolve .NET Agent Installation and Configuration Issues.

Windows Management Instrumentation

Install the .NET Agent

  1. Download the MSI installer package from the AppDynamics Download Center.
  2. Run the MSI installer package.
  3. Read the End User Agreement and click to accept. Click Next.
  4. On the Confirm location window, optionally change the .NET Agent installation directories:

    • the destination directory for the .NET Agent executables and supporting files.
    • New in 4.1.3, the parent directory for local data including agent configuration files and log files.
    See .NET Agent Directory Structure for the default directories.


    You can also change the destination of the logs directory later using the AppDynamics Agent Configuration utility.

  5. Click Yes on the User Account Control window to allow the installer to make changes to the computer.
    If the current account does not have administrator privileges, the installer prompts you to supply the password for an administrator account.
  6. Wait for the installation to complete.
  7. For new installs, AppDynamics recommends you launch the AppDynamics Agent Configuration utility.

If you encounter problems installing, see Resolve .NET Agent Installation and Configuration Issues.

Configure the .NET Agent

Launch the AppDynamics Agent Configuration utility to configure the .NET Agent.