You can delete maintenance window, in System Center 2012 Configuration Manager, by using the SMS_CollectionSettings Server WMI Class and SMS_ServiceWindow Server WMI Class classes and properties.

To delete a maintenance window for a collection

  1. Set up a connection to the SMS Provider. For more information, see About the SMS Provider in Configuration Manager.

  2. Get an existing collection settings instance by using the collection ID provided.

  3. Get the existing service window object by using the maintenance window ID provided.

  4. Delete the existing maintenance window.

  5. Save the collection settings instance and properties.

Note
The example method includes additional steps, primarily to handle the overhead of dealing with the service window objects, which are stored as embedded objects in the collection settings instance.

Example

The following example method deletes a specific maintenance window instance for a collection.

Important
This assumes that the collection instance can modified. This might not be the case at child sites, where the collections are owned by the parent site or sites.

For information about calling the sample code, see Calling Configuration Manager Code Snippets.

C#  Copy Code
public void DeleteMaintenanceWindowfromCollection(WqlConnectionManager connection, 
												string targetCollectionID, 
												string serviceWindowID)
{
	try
	{
		// Create a new array list to hold the service window objects.
		List<IResultObject> tempMaintenanceWindowArray = new List<IResultObject>();

		// Establish connection to collection settings instance associated with the target collection ID.
		IResultObject collectionSettings = connection.GetInstance(@"SMS_CollectionSettings.CollectionID='" + targetCollectionID + "'");

		// Populate the array list with the existing service window objects (from the target collection).
		tempMaintenanceWindowArray = collectionSettings.GetArrayItems("ServiceWindows");

		// Enumerate through the array list to access each maintenance window object.
		foreach (IResultObject maintenanceWindow in tempMaintenanceWindowArray)
		{
			// If the maintenance window ID matches the one passed in to the function, delete the maintenance window.
			if (maintenanceWindow["ServiceWindowID"].StringValue == serviceWindowID)
			{
				tempMaintenanceWindowArray.Remove(maintenanceWindow);
				Console.WriteLine("Deleted:");
				Console.WriteLine("Maintenance Window Name: " + maintenanceWindow["Name"].StringValue);
				Console.WriteLine("Maintenance Windows Service Window ID: " + maintenanceWindow["ServiceWindowID"].StringValue);
				break;
		}
	}

		// Replace the existing service window objects from the target collection with the temporary array that includes the new maintenance window.
		collectionSettings.SetArrayItems("ServiceWindows", tempMaintenanceWindowArray);

		// Save the new values in the collection settings instance associated with the Collection ID.
		collectionSettings.Put();
}

	catch (SmsException ex)
	{
		Console.WriteLine("Failed. Error: " + ex.InnerException.Message);
		throw;
}
}

The example method has the following parameters:

Parameter Type Description

connection

  • Managed: WqlConnectionManager

A valid connection to the SMS Provider.

targetCollectionID

  • Managed: String

The ID of the collection.

serviceWindowID

  • Managed: String

The ID of the maintenance window to delete.

Compiling the Code

The C# example requires:

Namespaces

System

System.Collections.Generic

System.ComponentModel

Microsoft.ConfigurationManagement.ManagementProvider

Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine

Assembly

adminui.wqlqueryengine

microsoft.configurationmanagement.managementprovider

Robust Programming

For more information about error handling, see About Configuration Manager Errors.

Security

For more information about securing Configuration Manager applications, see Securing Configuration Manager Applications.

See Also