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Once the file is downloaded, copy the file to some form of portable media, such as an external hard drive, writeable CD, or compact flash card.To update the virus definitions on a computer without Internet or network connections Note: Effective Thursday, August 18, 2005, US Pacific Time, Symantec will no longer release virus definitions that are sized to fit a set of standard 1.44 MB floppy disks.Read the following document for more information: TECH100441 - Primary server does not update secondary servers or clients using the VDTM.Traditional signature and heuristic file scanning engines form the backbone of Symantec’s security solutions; these engines use dozens of techniques to scan files for both known as well as unknown threats.Back to top Symantec's Intelligent Updater is an alternative to Live Update for obtaining the most recent virus definitions.Intelligent Updater is less convenient to use than Live Update, because it is a manual process.
Definitions will continue be available through all other current methods.
To run Live Update from the Symantec System Center Console Scheduling Live Update You can schedule Live Update to run periodically, either from the Virus Definition Manager within the Symantec System Center, or by clicking File and then Schedule Updates from within Symantec Anti Virus.
The Live Update Administration Utility 1.x and Live Update Administrator 2.x On very large or widely distributed networks, it may be desirable to create an internal server and have clients use Live Update to retrieve updates from that server, rather than using the VDTM.
If you copy virus definitions files to a computer that you suspect is infected with a virus, be sure to use only read-only media, such as CD-R.
If you use media that is mapped as a drive, such as a USB "thumb drive," it is possible for files on the drive to become infected or for malicious files to be copied to the drive.