Why does visual studio throw an error when connecting to a database?

Question

Entity Framework

When connecting to the database through the entity framework, it gives this error: The
sql server services are running. How can I fix this?

Answer 1

Written in black in English. It is not necessary to check Named Pipe because it is enabled by default. But the fact that access to the server from the outside is allowed - you need to check, because it is clearly prohibited.