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How to fix a network-related or instance-specific error connecting to SQL Server

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A network-related or instance-specific error occurred while establishing a connection to SQL Server. Step-by-step guide on how to solve the network related instance specific SQL connection error:

How to fix a network related or instance specific error occurred while establishing a connection to SQL Server. Allow remote connections to sql server. How to configure a sql server to allow remote connections with SQL server 2008, SQL server 2012, SQL server 2014, SQL server 2017, SQL server 2018,…

The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections.

Sqlcmd: Error: Microsoft SQL Native Client: An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections.

How to Sql server is configured to allow remote connections.

Lansweeper data, reports and settings are stored in a database, which is hosted in either SQL Compact or SQL Server. If you install Lansweeper under SQL Server, by performing an Advanced Install, and the connection to your SQL Server installation is lost at some point, you may encounter errors like the ones below.

The errors below indicate that Lansweeper is unable to locate the SQL Server instance hosting your Lansweeper database. It’s important to note that this does not point to database corruption or an issue with the database itself. Though there are many possible causes for a loss of SQL connectivity, below are some troubleshooting steps you can try to resolve the issue. Some of these steps must be performed within SQL Server Management Studio. If SQL Server Management Studio was not installed along with your SQL Server instance, we recommend downloading it online. (You will need to perform a search for the Management Studio that’s compatible with your particular edition and version of SQL Server.)

Lansweeper enables you to manages your entire IT network, saving an incredible amount of time by automating key tasks. It features best in class fully automatic asset scanning and network inventory software, to keep you on top of your IT-environment.

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Recommended by sysadmins all over the world, download your Lansweeper free trial today and start managing your IT assets the right way.

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24 Comments
  1. bharath andekar 4 months ago
    Reply

    Thanks a lot… It works very well

  2. Mayor Frio 4 months ago
    Reply

    It works.Thanks

  3. Young moms 4 months ago
    Reply

    thank you, it was helpful

  4. Zeeshan Latif 4 months ago
    Reply

    thanks a lot of
    it's working

  5. Piotr Mika 4 months ago
    Reply

    Bro I love you it worked like a charm :DDDDDDDDD

  6. Sql ITTech 4 months ago
    Reply

    WOW.. This just handed me my localhost ,I was having Sql Server Network Instances Issue error 28,,Lansweeper just handed me the info that I was looking for…Great Job Guys,,I will dig deeper into Lansweeper…

  7. Nguyen Nhut Tien 4 months ago
    Reply

    I have followed and succeeded before.
    But now I go to Services and SQLServerManager14.msc and I don't see SQL SERVER at all (there are no items).
    I have lost a file of sql server ?

  8. Arthur Lima 4 months ago
    Reply

    Thanks man, u saved me.

  9. cursos unilat 4 months ago
    Reply

    Thank you! Works!

  10. Ricardo Felix 4 months ago
    Reply

    Thanks!!! You really help me! 😀

  11. purplepanterful 4 months ago
    Reply

    Thank you!

  12. PowerPoint Designer 4 months ago
    Reply

    Best everrrrrrr!!!!!!!

  13. CH FA 4 months ago
    Reply

    gracias crackk

  14. Rohit Negi 4 months ago
    Reply

    Thank you so much, I also added windows authentication here

  15. Thảo Lê 4 months ago
    Reply

    Thank you so much

  16. Elena Moreno 4 months ago
    Reply

    It solved my problem, thank you so much 🙂

  17. WilD ThinG 4 months ago
    Reply

    Thank You Very Much Work Perfectly 🙂

  18. Adil Tabrez 4 months ago
    Reply

    Thank you!

  19. Sergei Gaidazevsky 4 months ago
    Reply

    I don't have SQL services

  20. Ketan Pote 4 months ago
    Reply

    This visual studio and sql server all is b****tttttttttttttttt. useless and wonderful thing is its 10 GB about.

  21. shruti sharma 4 months ago
    Reply

    Thank you 🙂

  22. ultra sisko 4 months ago
    Reply

    Once I starte the SQL Server Service I was able to connect. Didn't bother with starting the SQL Server Browser. I hope that this is ok.

  23. Кваснов Богдан 4 months ago
    Reply

    Thank you!

  24. Hamza El Aissaoui 4 months ago
    Reply

    Nice Man, Solved the Problem!!

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