A patch version of LiteSpeed for SQL Server, version 4.8.1 is available for download in SupportLink.
This release fixes the 64-bit (x64 and Itanium) backup issue regarding files exceeding 4 GB in size. Quest recommends that all customers that are currently using LiteSpeed for SQL Server 4.8 to upgrade to the 4.8.1 version.
To download LiteSpeed for SQL Server version 4.8.1 along with installation instructions and release notes, go to the Downloads & Updates section of SupportLink.
Issue resolved in patch