Error when updating DB: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified

Question

I\'m using EF6 and have been making a few changes to my model. Now all the sudden I get the following error when trying to update my database through the nuget command U

Answer 1

Follow step by step: 1./ Create right connect to database in web.config 1./ Right click -> select "Set as default project" 2./ run update-database againt

That's fix.