There was a network or instance error while connecting to SQL Server. Server not found or unavailable. Ensure that the instance name is correct and that remote connections are allowed on SQL Server. How to solve?

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    The error message says it all - Bald
  • and how to find out whether remote connections are allowed? - propro17
  • need to look at the sql server settings. You would add specifics to your question, but now it will be like a fortune telling about the coffee grounds , do not forget to write the nickname of the person to whom you write the message in the comments, in the form of @ Nick, that there would be a notification - Bald

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Typically, this message appears when the SQL Server service is not running. Check and run manually.

  • reinstalled SQL SERVER, everything works! - propro17