Hi,
Configuring the disk space that is used for LiveUpdate downloads
If you select 500 or fewer clients during the Symantec Endpoint Protection Manager installation, then by default Symantec Endpoint Protection Manager stores three LiveUpdate content revisions for each content type. If you select 500 to 1,000 clients, Symantec Endpoint Protection Manager stores 10 revisions by default. If you select more than 1,000 clients, then Symantec Endpoint Protection Manager stores 30 revisions by default. For example, if you select 500 or fewer clients, the Symantec Endpoint Protection Manager stores three revisions.
To reduce disk space and database size, you can reduce the number of content revisions that are kept on the server. You should be aware, however, that reducing the number of content revisions also affects a server's ability to make deltas between content updates. A delta is an update that contains only the incremental changes since the last full content revision. Delta files are typically much smaller than full update files.
The more content revisions that you keep, the greater the ability of the server to create deltas between content revisions. The number of content revisions that you keep is particularly important if you have some client computers that are offline for days at a time. Symantec typically releases 3 to 4 virus and spyware content revisions per day. Keeping at least 10 revisions ensures that the computers that disconnected on a Friday can use a delta to update on Monday morning. Delta updates take less time and bandwidth than downloading a full content revision.
To configure the disk space used for LiveUpdate downloads
1. In the console, click Admin.
2. Click Servers and select the site that you want to configure.
3. Under Tasks, click Edit Site Properties, and then click LiveUpdate.
4. Under Disk Space Management for Downloads, type the number of content downloads that you want to store.
5. If you want to reduce the amount of disk space used, uncheck the Store client packages unzipped to provide better network performance for upgrades option.
Note:
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Disabling this option also disables the ability of Symantec Endpoint Protection Manager to construct deltas between content revisions and may adversely affect network performance for updates.
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6. Click OK.
Regards
Ajin