Summary
This hotfix contains a recommended fix for Backup Exec 2012.

Affected versions
Backup Exec 2012 revision 1798 32bit Media Servers
Backup Exec 2012 revision 1798 x64bit Media Servers
Backup Exec 2012 revision 1798 32bit Agent for Windows Servers
Backup Exec 2012 revision 1798 x64bit Agent for Windows Servers

Prerequisites
- Administrative privileges are required to install this hotfix.

Post requisites
- A full backup is recommended after installing this hotfix.
- Remote Agent for Windows Servers will need to be updated after installing this hotfix.

Issue(s) resolved
- AVVI Incremental GRT backups of Virtual machines to Deduplication Storage device are consistently running very slow. (TECH145857)
- AVVI: Duplicate backup of Incremental backup set fails with an error: “0xe0009585 - Unable to open a disk of the virtual machine.” (TECH166644)
- AVVI: Restore from Diff backup of a VM fails with error “Final error: 0xe0009741 - Failed to mount one or more virtual disk images. Restores that use Granular Recovery Technology may not be available from this backup set.” (TECH172844)

Installation Guide
This installation guide contains general information for installing Backup Exec product updates as well as special instructions for configurations including the Agent for Windows Servers, Remote Agent for Linux/Unix/Macintosh Servers (RALUS/RAMS), Clustered Backup Exec, Shared Storage (SSO) installations, Central Admin Servers (CASO) installations, and Oracle Agent for Windows and Linux. http://www.symantec.com/docs/S:TECH58186

Uninstalling this hotfix
This hotfix can be uninstalled.  For steps on how to uninstall a Backup Exec hotfix, refer to this technote http://www.symantec.com/docs/S:TECH58187

File Information
The date and times listed below are in Coordinated Universal Time (UTC).  When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Backup Exec 32bit Media Servers
Under "C:\Program Files\Symantec\Backup Exec\" (By default)

Backup Exec x64bit Media Servers
Under "C:\Program Files\Symantec\Backup Exec\" (By default)

Backup Exec 32bit Agent for Windows Servers
Under "C:\Program Files\Symantec\Backup Exec\RAWS" (By default)

Backup Exec x64bit Agent for Windows Servers
Under "C:\Program Files\Symantec\Backup Exec\RAWS" (By default)