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Managing the infrastructure
After you complete the initial configuration of BigFix Inventory, learn how to manage components of its infrastructure: VM managers, server, database, and data sources.
Managing VM managers
VM managers are pieces of software that create, manage, and monitor virtual machines. You configure connections to VM managers so that BigFix Inventory can gather data that is required to calculate utilization of license metrics in virtual environments.
Basic VM management (central)
Use basic VM management if the BigFix server can connect to VM managers in your infrastructure. It is the default method of configuring connections to VM managers through the BigFix Inventory user interface.
Advanced configuration of basic VM management
When you use the basic VM management, you can perform advanced configuration on the Advanced Server Settings panel. However, it is not usually needed.

Managing the infrastructure
After you complete the initial configuration of BigFix Inventory, learn how to manage components of its infrastructure: VM managers, server, database, and data sources.
- Computer statuses
  Computer statuses provide information about the condition of the computers that are monitored by BigFix Inventory. To properly discover the installed software and measure its license metric utilization, ensure that computers in your environment work correctly.
- Managing VM managers
  VM managers are pieces of software that create, manage, and monitor virtual machines. You configure connections to VM managers so that BigFix Inventory can gather data that is required to calculate utilization of license metrics in virtual environments.
  - Default PVU counting on x86 processors
    To properly calculate PVU subcapacity, BigFix Inventory requires information about the number of processor cores that are available to virtual machines and on the physical computers that host these machines. If the information is not available, license metric utilization cannot be properly calculated and reported results might be over-counted for x86 processors.
  - Supported virtualization types
    BigFix Inventory requires that connections to VM managers are defined for the following virtualization types: Kernel-based Virtual Machine, Microsoft Hyper-V, VMware vSphere, and Xen.
  - Flow of capacity data from VM managers
    To understand how capacity data is gathered in virtual environments, see what data flows between virtual machines, VM Manager tool, and the BigFix Inventory server, and how frequently it is transferred.
  - Basic VM management (central)
    Use basic VM management if the BigFix server can connect to VM managers in your infrastructure. It is the default method of configuring connections to VM managers through the BigFix Inventory user interface.
    - Understanding the VM Managers panel
      Before you start adding VM Managers, see the details of the VM Managers panel to understand the available options and columns.
    - Adding VM managers in central mode
      Configure connections to VM managers in your infrastructure to ensure that the VM Manager tool can gather data that is needed to calculate consumption of license metrics in your virtual environment. To configure a connection to VM managers through the BigFix Inventory user interface, open the VM Managers panel, and specify details of VM managers, such as the web address, virtualization type, and credentials.
    - VM manager statuses
      After you add a VM manager, see the explanation of its status to ensure that the VM manager works properly.
    - Troubleshooting: Enabling the VM Managers panel
      If the VM Managers panel is disabled and you cannot add VM managers, complete additional steps to enable the panel. This issue often occurs if your BigFix server does not have Web Reports configured, or if the automatic installation of the VM Manager Tool failed. It can also occur when the BigFix user that is used to connect to the BigFix console does not have sufficient rights.
    - Advanced configuration of basic VM management
      When you use the basic VM management, you can perform advanced configuration on the Advanced Server Settings panel. However, it is not usually needed.
  - Advanced VM management (distributed)
    Use advanced VM management if the BigFix server cannot connect to some of the VM managers because they are in separated networks. This approach requires that you install an additional VM Manager Tool, and configure VM managers through the command line.
  - Collecting capacity data from virtualization hosts for Xen and KVM
    For Citrix, Xen and KVM, connection to the VM manager does not have to be defined in BigFix Inventory to collect capacity data. The data can be collected directly from virtualization hosts by using the Run Capacity Scan on Virtualization Hosts task.
  - Maintenance tasks
    You can perform additional maintenance and troubleshooting tasks on VM Manager Tool. These tasks are not limited to a specific approach to VM management, but can be applied to any instance of VM Manager Tool.
  - Best practices for configuring VM managers
    Apply the best practices when configuring VM managers to ensure that your infrastructure works efficiently.
- Administering the server
  Perform administering tasks on your server to configure advanced settings, or restart its services.
- Administering the database
  Perform administering tasks on your database to keep it in good condition, protect your data, or configure additional settings.
- Removing inactive computers
  When you decommission a computer in your infrastructure, it continues to report to BigFix Inventory. The data is still collected from this computer, and displayed on the metric reports. To ensure that all infrastructure changes are reflected in BigFix Inventory, you should remove each decommissioned computer from BigFix. If you cannot remove this computer from BigFix for a valid reason, you can use an alternative solution, and decommission the computer in BigFix Inventory.
- Managing data sources
  Computers in an organization can be divided into organizational units, and can be monitored by multiple BigFix infrastructures. Each infrastructure is referred to as a data source. Data from multiple data sources can be imported to one instance of BigFix Inventory.

Advanced configuration of basic VM management

When you use the basic VM management, you can perform advanced configuration on the Advanced Server Settings panel. However, it is not usually needed.

The basic VM management does not usually require reconfiguring. However, you can change the configuration parameters on the Advanced Server Settings panel. For more information, see: Advanced server settings. Any customization can significantly impact the server and its performance. Thus, ensure that every configuration is carefully considered and needed.