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The error says "The project could not be deployed to the 'DESKTOP-MPRLDLP\SQL_2012' server because of the following connectivity problems : A connection cannot be made. Ensure that the server is running. To verify or update the name of the target server, right-click on the project in Solution Explorer, select Project Properties, click on the Deployment tab, and then enter the name of the server."
I think its from the sql configuration manager. I changed the account to local system and i tried changing it back but its requesting for password