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Invoke-CauScan

Performs a scan of cluster nodes for applicable updates and gets a list of the initial set of updates that are applied to each node in a specified cluster. Windows Server PowerShell reference

From the Windows Server PowerShell reference 9 parameters Its page in the reference

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Parameters

9 in the Windows Server PowerShell reference
-AttemptSoftRebootIndicates that command assumes a Kernel Soft Reboot (KSR) for the failover cluster.
-CauPluginArgumentsSpecifies a set of name=value pairs, as arguments, for each updating plug-in to use.
-CauPluginNameSpecifies one or more plug-ins to use when performing scans.
-ClusterNameSpecifies the name of the cluster which should be scanned for applicable updates.
-CredentialSpecifies the administrative credentials for the target cluster.
-OsRollingUpgradeIndicates that the CAU cluster role scans for upgrades to the operating system of the cluster nodes without stopping the Hyper-V or the Scale-Out File Server workloads.
-RebootModeSpecifies the type of reboot to use for each node in the cluster during the update.
-RunPluginsSeriallyIndicates that CAU scans each cluster node for applicable updates and stages the updates for each plug-in in the plug-in order passed into the CauPluginName parameter then multiple plug-ins are used…
-StopOnPluginFailureIndicates that if a failure occurs during a scan on a node by any plug-in, subsequent scans on the node that are coordinated by the remaining plug-ins are stopped when multiple plug-ins are used duri…