From your server computer, access the Navision Installation CD-ROM. In the folder $:\SQL_ESP, where the $ is the CD-ROM drive, click the file xp_ndo.exe. When prompted, enter the path to the BINN subfolder of the SQL Server installation folder. (The unzipped xp_ndo.dll file must be in this folder on SQL Server.)
(Standard msSQL 2005 is: C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn)
Open Microsoft SQL Server management Studio Express, connect to you database server.
Navigate to SQLServer -> Databases -> System Databases -> Master -> Programmabilty
Right click on Extended Stored Procesdures, and chose ”New Extended Stored Procedures”
Chose the XP_ndo.dll files.