Before developing their new web site, the Mercedes-Benz Club of America effectively had two web sites: their organizational size and their forums. Each had their own logins and split the popularity of their search results.
Monarch migrated hundreds of thousands of vBulletin posts into the new MBCA web site using the vBulletin to Drupal module, the vBulletin login module, the drupal forum and advanced forum module along with many additional enhancements, like: