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If necessary, configure Win HTTP proxy settings on each node to specify a local proxy server and configure local address exceptions (that is, a bypass list for local addresses).
To do this, you can run the following command on each cluster node from an elevated command prompt: You can run the CAU Best Practices Analyzer (BPA) model to test whether a specified failover cluster and the network environment meet many of the requirements to have software updates applied by CAU.
For more information, see Install the Failover Clustering feature and the Failover Clustering Tools in this topic.- Ensure that the Cluster service (clussvc) is started on all nodes in the cluster, and it is configured to start automatically.- Check that the Validate a Configuration Wizard can successfully run on the failover cluster.
For more information, see Install the Failover Clustering feature and the Failover Clustering Tools in this topic.
The exact installation requirements for the Failover Clustering Tools depend on whether CAU coordinates updates as a clustered role on the failover cluster (by using self-updating mode) or from a remote computer running Windows Server 2012 R2, Windows Server 2012, Windows 8.1 or Windows 8 (by using remote-updating mode).
The self-updating mode of CAU additionally requires the installation of the CAU clustered role on the failover cluster by using the CAU tools.
CAU cannot be configured for self-updating mode or use certain features in remote-updating mode.
CAU requires an installation of the Failover Clustering feature and the Failover Clustering Tools.
To download Microsoft updates from Microsoft Update or Windows Update to cluster nodes in certain branch office scenarios, you may need to configure proxy settings for the Local System account on each node.
For example, you might need to do this if your branch office clusters access Microsoft Update or Windows Update to download updates by using a local proxy server.
To enable self-updating mode and certain CAU features in remote-updating mode, . NET Framework 4.5 Features, use the Add Roles and Features Wizard in Server Manager.
NET Framework 4.5 must be installed on all cluster nodes. For more information, see Install or Uninstall Roles, Role Services, or Features.