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LiteSpeed for SQL Server 8.5 - Engine Release Notes

Customize Your Configuration

To add a file extension

  1. With your configuration file open, select the Edit | Add Extension option.
  2. Select the extension for monitoring from the defaults list, or manually enter an extension by clicking in the text portion of the drop down list. (This extension will be available from the drop down list the next time you add or edit an extension.) Review the following for additional information:
    Option Description

    File extensions available for monitoring:

    • User Defined (Up to 16 characters in length.)
    • BAK
    • BKE
    • LSB
    • BKP
    • EXE
    • TRN
    Compression Level

    The degree of data compression:

    None Data will not be compressed.

    Medium Compression—for servers where minimal CPU utilization is preferred at the expense of some compression.


    Medium-High Compression—a new highly optimized low CPU algorithm for environments where low CPU utilization is preferred but with improved compression over level 1.

    3, 4, 5, 6 High Compression—for databases where balanced compressed backup size and CPU utilization is important.
    7, 8

    Extreme Compression—a new highly optimized extreme compression algorithm for databases where compressed size is very important with only a slight increase in CPU utilization over previous levels.

    Encryption Level

    Encryption algorithms used to encrypt data:

    • None (Data will not be encrypted.)
    • 64-bit RC2
    • 112-bit RC2
    • 128-bit RC2
    • 168-bit 3DES
    • 128-bit AES
    • 192-bit AES
    • 256-bit AES
    Encryption Password

    1 to 255 characters.

    This parameter is only set when data is encrypted.

    The user must maintain the password for each encrypted backup file. For appended backup files, the password must be available at the time of each backup, as SQL Server reads previous backup information, and therefore LiteSpeed must be able to decrypt that information when requested.

    CAUTION: If the password for a file extension is changed, previous backups cannot be restored until the proper password is re-associated with that file extension. Alternately, the file can be renamed to a new extension which is assigned the previous password.


  • By default, configuration settings are saved to the default .ini file.
  • Additions or edits may not be viewed in the .ini file until the configuration is saved.
  • Manually entered file extension can be removed from the drop-down list by removing the extension from the Available extensions list using the Tools | Options menu option.

To change the default settings used when creating a new file extension

  1. Launch LiteSpeed Engine Configuration editor and select
  2. In the resulting window you may change the following default settings:
    • Compression level
    • Encryption level
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