As I have mentioned in my previous piece, Microsoft Search Server 2008 (MSS) and Microsoft Search Server 2008 Express (MSSX) are built on Windows SharePoint Services 3.0. It is designed for an organization who wants to benefit from the power of search without having Microsoft Office SharePoint Server 2007. There are times, however, that we need to upgrade our existing MSS 2008 or MSSX 2008 to MOSS 2007, or moving our existing WSS 3.0 to MSS 2000 or MSSX 2008.

Before performing any upgrade process, however, it is recommended to read first the Microsoft Search Server 2008 Upgrade Path provided by Microsoft and consider the tables below.

The following are supported paths:

The following are unsupported paths:

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