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How to Configure Update Baselines in VMM

Updated: January 22, 2014

Applies To: System Center 2012 - Virtual Machine Manager, System Center 2012 R2 Virtual Machine Manager, System Center 2012 SP1 - Virtual Machine Manager

After you add a Windows Server Update Services (WSUS) server to VMM, you can prepare to manage updates for the VMM fabric by configuring update baselines. An update baseline contains a set of required updates that is then scoped to an assignment such as a host group, a stand-alone host, a host cluster, a VMM management server, or an infrastructure server (as of System Center 2012 R2 Virtual Machine Manager). Update baselines can be assigned to host groups and to individual computers based on their role in VMM. Update baselines that are assigned to a host group are applied to all stand-alone hosts and host clusters in the host group, as well as the stand-alone hosts and host clusters in child host groups.

During a compliance scan, computers that are assigned to a baseline are graded for compliance with their assigned baselines. After a computer is found noncompliant, an administrator brings the computer into compliance through update remediation.

If a host is moved from one host group to another, the baselines for the new host group are applied to the host, and the baselines for the preceding host group no longer apply - that is, unless the baseline is assigned to both host groups. Explicit baseline assignments to a managed host stay with the host when it is moved from one host group to another. It is only when the baseline is assigned to a host group that baseline assignments get revoked during the move.

You can use two methods to prepare update baselines for remediation:

  • Use one of the built-in update baselines that VMM provides: Sample Baseline for Critical Updates and Sample Baseline for Security Updates.

  • Create your own update baseline.

ImportantImportant
To help you get started with update management, the built-in security and critical baselines provide a starter set of updates in those categories. If you choose to use the built-in baselines, you must maintain them. They are not continuously updated.

The following procedures explain both methods. We recommend that you use the first procedure to update the built-in security baseline before you create your own baseline.

Account requirements To create or configure update baselines, you must be an administrator or delegated administrator in VMM. Delegated administrators can only assign the update baselines to computers that are within the scope of their user role.

Assign Computers to a Built-in Update Baseline

VMM provides two sample built-in updates baselines that you can use to apply security updates and critical updates to the computers in your VMM environment. Before you can use a baseline, you must specify an assignment scope which contains the host groups, host clusters, individual managed computers, or infrastructure servers (as of System Center 2012 R2 Virtual Machine Manager) to which the baseline is applied to. The following procedure explains how to assign computers to the sample security baseline.

To assign computers to a built-in update baseline

  1. Open the Library workspace.

  2. On the Library pane, expand Update Catalog and Baselines, and then click Update Baselines.

    The Baselines pane displays the two built-in baselines: Sample Baseline for Security Updates and Sample Baseline for Critical Updates.

  3. On the Baselines pane, click Sample Baseline for Security Updates.

  4. On the Home page, in the Properties group, click Properties.

    The Properties dialog box for the Sample Baseline for Security Updates opens.

    noteNote
    On the left of the dialog box, click Updates to open the Updates page.

  5. On the Updates page, optionally add or remove update baselines from the baselines that are listed. The Sample Baseline for Security Updates includes all security updates. To ensure that all security updates are remediated, do not remove any updates from this baseline.

  6. Click Assignment Scope to open the Assignment Scope page and then, select host groups, host clusters, computers, and infrastructure servers (as of System Center 2012 R2 Virtual Machine Manager) to add to the baseline.

    Computers are represented by the roles they perform in VMM. When you select a computer with a role, such as VMM server, all the other roles that the computer performs in VMM are selected. For example, if your VMM management server is also a library server, selecting your VMM management server under VMM Server causes the same computer under Library Servers to be selected.

    To apply a baseline to all hosts, select the All Hosts root host group.

  7. Click OK to save your changes.

Create a New Update Baseline

Now that you have experience assigning computers to a built-in update baseline in VMM, try creating a new baseline by using the following procedure.

To create an update baseline in VMM

  1. Open the Library workspace.

  2. On the Library pane, expand Update Catalog and Baselines, and then click Update Baselines.

  3. On the Home page, in the Create group, click Baseline.

    The Update Baseline Wizard starts.

  4. On the General page, enter a name (for example, Critical Updates for Hyper-V Hosts) and a description for the update baseline. Click Next to proceed to the Updates page.

  5. On the Updates page, add the updates that you want to include in the baseline.

    For example, to add critical updates for your Hyper-V hosts:

    1. Click Add.

    2. In the search box, type critical updates to filter the selection.

    3. Select each critical update that you want to apply to your Hyper-V hosts.

      TipTip
      To select more than one update, hold down the CTRL key while you click the updates. To select a set of consecutive updates, click the first update, press and hold down the Shift key, and then click the last update in the set.

    4. Click Add.

    Click Next to proceed to the Assignment Scope page.

  6. On the Assignment Scope page, expand Host Groups and Infrastructure (as of System Center 2012 R2 Virtual Machine Manager). Host Groups lists all host groups, standalone hosts and clusters. Infrastructure lists all VMM role servers and any infrastructure servers. Select the items that you want to apply the baseline to. You can apply a baseline to computers that are performing any of the following roles in VMM:

    • Host groups or individual hosts

    • Library servers

    • PXE servers

    • Update server

    • VMM management server

    Click Next to proceed to the Summary page.

  7. On the Summary page, review your settings, and then click Finish.

    If any of the selected updates require that you accept a Microsoft license agreement, the Microsoft License Terms dialog box opens.

  8. To start installing the updates, after you review the license terms, click Accept if you accept the license terms.

    noteNote
    If multiple updates require a license agreement, VMM prompts for acceptance of each license.

To verify that the update baseline was created successfully, on the Library pane, expand Updates and Baselines Catalog, and then click Baselines. The results pane should display the new baseline.

See Also

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For additional resources, see Information and Support for System Center 2012.

Tip: Use this query to find online documentation in the TechNet Library for System Center 2012. For instructions and examples, see Search the System Center 2012 Documentation Library.
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