When you want to migrate an old (on-premise) SQL database to an Azure SQL database, you need to export the database to a DAC .bacpac file. Such an export also includes schemas, views and users/logins. It is easy to receive errors when attempting to make a .bacpac export. In this post, I sum up the errors I received and a way to fix them. 1. Drop Windows users In my case, the database that I wanted to migrate contained references to Windows users.