We have released an updated version of the standalone OLE DB Provider for DB2 V4.0 in the SQL Server 2012 SP1 Feature Pack. The Microsoft OLE DB Provider for DB2 V4.0 Refresh includes a number of fixes and product improvements since the initial release of the Microsoft OLE DB Provider for DB2 V4.0 that was included in the SQL Server 2012 Feature Pack.
The SQL Server 2012 SP1 Feature Pack download page is http://www.microsoft.com/en-us/download/details.aspx?id=35580.
On this page, there is a long list of features that can be downloaded. The Microsoft OLE DB Provider for DB2 V4.0 Refresh packages are as follows:
If you are using SQL Server 2008 R2 or SQL Server 2012 and are connecting to (or plan on connecting to) IBM DB2 databases, then you should download and use this updated DB2 Provider.