I have two database each with their own dbcontext. I\'ve setup two migration configurations. I can add a migration for the first db ust fine (Add-Migration DB1_Initial
Add-Migration DB1_Initial
It's been a while, but this could be a better answer to your problem :)
Update-Database -ConfigurationTypeName "SlaveConfiguration" -StartupProjectName "FacturatieMVCv2.Data" -Verbose -ConnectionString "connstring;" -ConnectionProviderName "System.Data.SqlClient"