Administration Console Online Help

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Create and configure machines

A machine is the logical representation of the computer that hosts one or more WebLogic Server instances. Each managed server must be assigned to a machine.

To create and configure a machine:

  1. If you have not already done so, in the Change Center of the Administration Console, click Lock & Edit (see Use the Change Center).
  2. In the Administration Console, expand Environment and select Machines.

    The Machines table displays in the right pane showing all the machines defined in the domain.

  3. Click New.
  4. Enter a name for the new machine in the Name attribute field.

    This name is used to identify the machine within the WebLogic Server domain. This name does not have to correspond to the machine's network name.

    Note: The name must be unique in relation to all other configurable resources in the domain.

  5. If you are creating a machine that will run on a UNIX platform, select UNIX from the drop down menu in the Machine OS field:

    For more information on creating and configuring a machine on a UNIX platform, see Create and configure machines to run on UNIX.

  6. Click Ok.

    The new machine is displayed in the Machines table.

  7. Select the name of the machine you just created.
  8. Select the Node Manager tab.
    1. Select the Node Manager type from the drop down box in the Type field.

      For more information on different Node Manager types, see "Using Node Manager to Control Servers".

    2. Enter the DNS name or IP address upon which Node Manager listens in the Listen Address box.

      If you identify the Listen Address by IP address, you must disable Host Name Verification on Administration Servers that will access Node Manager. For more information and instructions, see "Using Hostname Verification" in Managing WebLogic Security.

    3. Enter a value in the Listen Port field. This is the port where Node Manager listens for incoming requests.
    4. If you have set the Type field to SSH or RSH, you should specify values in the Node Manager Home and Shell Command fields.

      For more information on configuring Node Manager using SSH or RSH, see Configuring Script-based Node Manager.

  9. Click Save.
  10. To activate these changes, in the Change Center of the Administration Console, click Activate Changes.
    Not all changes take effect immediately—some require a restart (see Use the Change Center).


The new machine entry now specifies the attributes required to connect to the Node Manager process running on the machine, as well as identify which WebLogic Server instances reside on the machine. For information on assiging servers to a machine, see Assign server instances to machines.

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