You can create user-defined subclients to protect specific groups of virtual machines. Use this approach to provide different policies, options, or backup schedules for different categories of virtual machines.
When a virtual machine is included in a user-defined subclient, it is automatically excluded from the default subclient. This prevents the duplicate backup of any virtual machine by the default subclient. (Duplicate backups can still occur if a virtual machine is included in multiple user-defined subclients.)
You can also set rule-based discovery to automatically discover virtual machines for the subclient. For instructions on setting discovery rules, see Adding Subclient Content.
Procedure
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From the CommCell Browser, expand Client Computers > virtualization_client > Virtual Server> instance. 
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Right-click the backup set, point to All Tasks, and click New Subclient. 
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In the New Subclient Properties dialog box, specify the following settings: - 
In the Subclient Name box, enter a name for the subclient. 
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On the Content tab, click Browse and select virtual machines to be backed up. 
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On the Storage Device tab, select a storage policy from the Storage Policy box. If necessary, click Create Storage Policy to create a new storage policy for the subclient. 
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Click OK. 
 
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