Habilita a conta padrão do ASP.NET (baseada no sistema operacional) de criar automaticamente bancos de dados do SQL Server Express (SSE) adicionando a conta à função dbcreator.
Click to search this error in Google
English version
Enables the default ASP.NET account (based on O/S) to automatically create databases in SQL Server Express (SSE) by adding the account to the dbcreator role.
.Net Framework