
• Attempts to start VSS. Here you can set how many attempts to start Microsoft VSS the program
is to do before automatically rebooting the system and accomplishing the operation in a
special boot-up mode.
• Timeout between attempts (in seconds). Here you can set a time period between different
attempts to start Microsoft VSS.
• Switch between hot processing technologies. Mark the checkbox to automatically switch
between Paragon Hot Processing and Microsoft VSS if one of them is unavailable at the
moment.
By clicking the link at the bottom of the window you can jump to the Run
during Backup Options.
Run during Backup Options
In this section you can specify external applications to execute at various phases of the backup
process. It can be particularly useful when imaging systems with high availability requirements (MS
SQL, MS Exchange, etc.), since it enables to create a consistent snapshot even as the data is
currently modified. The point is to provide a coherent state of all open files and databases involved
in a backup, taking into account that applications may still keep writing to disks.
Actually the backup process consists of two phases: the preparation phase (snapshot) and the data-
copying phase. There are three points of the backup when external commands/programs can be
launched:
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