By default, data is transferred according to compression settings defined by the storage policy copy. You can modify software compression settings on a specific subclient or on an instance.
Note: Subclients that are associated to storage policy with source-side deduplication, the software compression always occurs on a client.
Before you Begin
- 
If subclient is associated to a subclient policy, modify the compression settings on a subclient policy. 
- 
For database agents, where third-party backups are run, the software compression settings need to be modified in the Instance properties. 
Procedure
- 
From the CommCell Browser, expand Client Computers > client > agent > backupset. 
- 
Right-click the subclient or instance, and then click Properties. 
- 
In the Subclient Properties dialog box, click the Storage Device tab. 
- 
On the Data Transfer Option tab, under Software Compression, configure the appropriate compression settings: - 
To compress data on the client, click On Client. 
- 
To compress data on the MediaAgent, click On MediaAgent. 
- 
To compress data according to the settings in the storage policy copy, click Using Storage Policy Settings. 
- 
To transfer data without compression, click Off. 
 
- 
- 
Click OK.