Make sure to follow First Time Configuration in chapter 12.0

• Follow guidelines in chapter12.1 and backup current SQL database into MS Access cldb.mdb
  
  
• Switch database type to MS Access in config/congif.asp. Your site in now running from MS Access database. Make sure the site has no visible errors.
  
  
• Follow guidelines in chapter12.3 and roll the site from MS Access to the desired type of SQL database.