From the link:
The Microsoft Windows Dynamic Cache Service will manage the working set size of the Windows System File Cache. For 64 bit systems this service helps to address the problem of excessive cached read I/O that could eventually consume all of physical memory. Sample source code and compiled files are included in the compressed file.
Supported Operating Systems: Windows Server 2003 R2 x64 editions, Windows Server 2003 x64 editions, Windows Server 2008 Datacenter, Windows Server 2008 Enterprise, Windows Server 2008 Standard, Windows Vista 64-bit Editions Service Pack 1, Windows Vista Enterprise 64-bit edition, Windows Vista Home Basic 64-bit edition, Windows Vista Home Premium 64-bit edition, Windows Vista Ultimate 64-bit edition
If you are running these versions of MSSQL, LogiSense highly recommends reviewing the resolution here and getting the appropriate servers updated to minimize any performance implications.