Content Replication System (CRS) was originally released as a component of Microsoft Site Server 3.0 on June 30, 1998. Therefore, the CRS support lifecycle timeline follows the Site Server support guidelines. Support for both Site Server 3.0 and CRS ended on January 1, 2004. 2.
Customers have told us they are looking for a clear and easy way to understand support lifecycle defined in years, not product versions. In addition to providing year-based support timeframes for future releases, Microsoft is also providing year-based support timeframes for Microsoft Office v.