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    By default, applications on a single Windows host are mapped to a single business application in the Controller. If needed, you can manually configure the .NET Agent to map different applications on the same Windows host to different business applications in the Controller.

    To map applications on a single host to a different business application, you need to edit the config.xml file manually. The AppDynamics Agent Configuration utility does not offer this configuration option. 

    After configuring multiple application support as described here, you cannot use the configuration utility to make configuration changes afterward. If you launch the configuration utility on a server where you've configured multiple application support, the utility will prompt you to delete the configurations.

    Prepare to Configure Multiple Business Applications

    Before you configure the .NET Agent, you must install the agent. Use the AppDynamics Agent Configuration utility to perform basic configuration tasks.

    1. Identify how you want to organize your business applications and identify the business application names.

      For example, consider a Windows host running IIS. The IIS instance serves two applications for two separate customers: Ticket Search and Travel Search. The applications perform similar functions, but it makes sense to monitor them separately because they function independently. In this case, create two business applications based upon the application name: Ticket Search Engine and Travel Search Engine.

    2. Map your IIS applications or application pools, Windows services, and standalone applications to tiers in the different business applications.
      For example, map the TicketSearch site to the Ticket Search Web tier in the Ticket Search Engine business application. Map the TravelSearch site to the Travel Search Web tier in the Travel Search Engine business application.
    3. If you have not already done so, install the .NET Agent. See Install the .NET Agent for Windows
    4. Run the AppDynamics Agent Configuration utility to generate a config.xml and configure the Controller connection. See Configure the .NET Agent
    5. When prompted, choose Manual for the method of tier generation and assignment.

      Currently, the configuration utility only supports mapping one business application per server.

    Manually Configure the .NET Agent

    Once you have configured the Controller properties for the .NET Agent, instrument your .NET Applications in the config.xml.

    1. Open the config.xml file as administrator and edit the file. See 'Where to Configure Agent Properties' on Administer the .NET Agent.

    2. Copy the controller applications block and paste it as a child element of the controller element. Replace any existing <applications> or <application> elements: 

       Show Controller applications code block
       <!--Configure multiple business applications-->
            <application name="ApplicationName1" default ="true"/>
            <application name="ApplicationName2"/>
    3. Add an application element for each of the business applications in the Controller.

      • Edit the name attribute for the application elements to match the business application names in the Controller. If the application does not exist yet, the Controller creates it.
      • Set the default attribute to true for one application element. If the agent cannot find a match for the business application name in the IIS application, Windows service or standalone application configuration, the tier reports to the default business application.

      In the following example, Ticket Search is the default business application: 

       Show TicketSearch example
       <?xml version="1.0" encoding="utf-8"?>
      <appdynamics-agent xmlns:xsi="" xmlns:xsd="">
        <controller host="" port="8090" ssl="false">
      	<account name="customer1" password="changeme" />
          <!--Configure multiple business applications-->
            <application name="Ticket Search" default ="true"/>
            <application name="Travel Search"/>
    4. Add configuration elements for the IIS applications or application pools, Windows services, or standalone applications to instrument.
      For IIS applications, add the applications block as a child of the IIS element. Replace the existing applications element. For more information, see IIS Applications Element.

       Show IIS Application configuration.
           <application path="/" site="FirstSite" controller-application="Application1">
               <tier name="FirstSite Tier"/>
           <application path="/" site="SecondSite" controller-application="Application2">
               <tier name="SecondSite Tier"/>

      For IIS application pools, add the application pools block as a child of the IIS element. Replace the existing <application-pools> element. See IIS Application Pools Element

       Show IIS Application Pool configuration.
          <application-pool name="MyAppPool1" controller-application="Application1">
              <tier name="App1 AppPool Tier"/>
          <application-pool name="MyAppPool2" controller-application="Application2">
              <tier name="App2 AppPool Tier"/>

      For Windows services or standalone applications, add the standalone-applications block as a child of the app-agents element. See Standalone Applications Element

       Show Windows service and standalone application configuration
          <standalone-application executable="MyStandaloneApp.exe" controller-application="ApplicationName1">
              <tier name="Standalone App Tier"/>
          <standalone-application executable="MyWindowsService.exe" command-line="-x" controller-application="ApplicationName2">
              <tier name="Windows Service Tier"/>
    5. Configure your application elements as follows:
      • Add the corresponding element for each IIS application or application pool, Windows service or standalone application to instrument. For information on specific elements, see .NET Agent Configuration Properties.
      • For each application element set the controller-application attribute to the name of the corresponding business application. If you omit the controller-application attribute, the agent adds the application to a tier in the configured default business application.
      • Set the tier element name attribute to the business application tier name.
    6. After you complete configuration, save the changes to the config.xml file.
    7. Restart the AppDynamics.Agent.Coordinator service.
    8. Restart IIS applications or application pools, Windows services, and standalone applications.
    9. As your applications begin processing traffic, the agent registers them with the Controller. Log on to the Controller to see that your applications have registered with the corresponding business application.

    Sample Configuration

    This sample config.xml file demonstrates configuration for multiple business applications in the Controller. Because the Windows service TicketService does not specify a controller-application attribute, it reports to the default business application, Ticket Search Engine. All applications in the TravelAPIPool pool report to the Travel Search Engine.

     Show sample config.xml
    <?xml version="1.0" encoding="utf-8"?>
    <appdynamics-agent xmlns:xsi="" xmlns:xsd="">
    <controller host="" port="8090" ssl="false">
    <!--Configure multiple business applications-->
        <application name="Ticket Search Engine" default ="true"/>
        <application name="Travel Search Engine"/>
    <machine-agent />
        <automatic enabled="false" />
          <application-pool name="TravelAPIPool" controller-application="Travel Search Engine">
            <tier name="Travel APIs"/>
          <application path="/" site="TicketSearch" controller-application="Ticket Search Engine">
            <tier name="Ticket Search Web"/>
          <application path="/" site="TravelSearch" controller-application="Travel Search Engine">
            <tier name="Travel Search Web"/>
      <standalone-application executable="StandaloneApp.exe" controller-application="Ticket Search Engine">
        <tier name="Ticket Standalone Tier"/>
      <standalone-application executable="WindowsService.exe" command-line="-x" controller-application="Travel Search Engine">
        <tier name="Travel Windows Service Tier"/> </standalone-application>
      <windows-service name="TicketService">
        <tier name="TicketService Tier" />

    Agent Configuration Properties for Multiple Application Support

    Multiple business application support includes configuration properties for the .NET Agent. These configuration properties supersede the ones documented in .NET Agent Configuration Properties.

    Controller Applications Element

    The applications element is a child of the controller element. It is a container element for all controller applications elements that map to business applications in the Controller.

    Required Element: <applications>

    Controller Application Element

    The controller application element is a child of the controller applications element. It indicates the name of the logical business application you see in the Controller. When you have more than one Controller Application element, you must set the default attribute to true for one of them.

    Required Element: <application name="MyDotNetApplication" default="true"/>

    Application name attribute

    Set the application name attribute to the business application name in the Controller. If the application name does not exist, the Controller creates it when the agent registers.

    Type: String
    Default: None
    Required: Yes

    Application default attribute

    Set the application default attribute to true for one controller application element. Instrumented applications without the controller application attribute register with the default business application in the Controller.

    Type: Boolean
    Default: false
    Required: For one application in multiple application configurations

    Controller-Application Attribute

    The IIS application, IIS application-pool, windows-service, and standalone-application elements accept the controller-application attribute. Set the value to the controller application element name. If you do not include a controller-application attribute, the application registers with the default business application.

    For example, an IIS application:

    <application path="/" site="MySite" controller-application="My Business Application">

    Type: String
    Default: None
    Required: No