i just found that cost free Addin from MS for Mappoint.
http://www.microsoft.com/sqlserver/2008/en/us/mappoint.aspx
System Requirements
Supported Operating Systems: Windows Vista; Windows XP
MapPoint 2009 or later
access to data stored in SQL Server 2008 or later
Note: This add-in runs on 32-bit operating systems and is English-only. It
can be used with MapPoint 2009 or later of all languages and geographies,
but the Add-in will show in English.
http://mapsql.spaces.live.com/
maybe it's interesting ?
mfg
Klaus