Just thought I would share this little tip to prevent someone else having the same issue:
The Configuration Data Migration Tool is a great way of moving records such as custom auto number settings from one organization to another. You can find it in the SDK under SDK\Tools\ConfigurationMigration.
I've just published the latest version of SparkleXRM on NuGet to make it easier to use from within Visual Studio.
You can simply add a NuGet reference to SparkleXRM and the dependancies will be pulled in as well.
PM> Install-Package SparkleXRM
Once installed, the Sparkle XRM assemblies will be... [More]