These are the steps to migrate data from BV to Spire.
1. First you will need to do the steps in the below linked article in BV; https://support.spiresystems.com/support/solutions/articles/13000026008-what-you-need-to-know-before-migrating-from-businessvision-to-spire
2. Download the BVImport installer from Companies page in Spire Server Administration;
3. Install the BVImport that was downloaded
4. Run the BVImport program and point to the BV database
5. Assign a Spire database name (short name for the company) and click OK
6. Once the below message is received, log into Spire Server Administration and see the newly imported company in italic font;
7. Select the imported company and click Upgrade Selected to upgrade the database;