Describes a problem in which C++ CDao applications that access a Microsoft Jet database may not insert or update data on a computer that is running Windows Vista Service Pack 1 (SP1) or Windows Server 2008. A resolution and a workaround are provided.

Describes the Jet 4.0 Database Engine update rollup for the release version of Windows Vista that is dated May 11, 2007.

Describes the issues that are fixed in the Jet 4.0 Database Engine hotfix package for Windows XP SP2, Windows Server 2003 SP1, Windows Server 2003 SP2, Windows Vista, Windows Vista SP1, and Windows Server 2008 that is dated October 23, 2007.