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SQL SERVER – Fix : Error : An error has occurred while establishing a connect to the server. Solution with Images.

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
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While reviewing my my blog search engine terms I find Error 40 is the most common error searched. I have previously wrote blog about how to fix this error here : SQL SERVER – Fix : Error : 40 – could not open a connection to SQL server.

Today I have added few screen shot of that error and their solution to help readers who need additional help to understand my post.

Error Screen:
SQL SERVER - Fix : Error : An error has occurred while establishing a connect to the server. Solution with Images. SQLSERVER_Error40

Solution Part 1: Enable SQL Server Service
SQL SERVER - Fix : Error : An error has occurred while establishing a connect to the server. Solution with Images. SQLSERVER_Error40_solution

Solution Part 2: Enable TCP/IP Protocol
SQL SERVER - Fix : Error : An error has occurred while establishing a connect to the server. Solution with Images. SQLSERVER_Error40_solution2

Reference : Pinal Dave (https://blog.sqlauthority.com)

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Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 22 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.

Pinal has authored 14 SQL Server database books and 94 Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.

Pinal is an experienced and dedicated professional with a deep commitment to flawless customer service. If you need help with any SQL Server Performance Tuning Issues, please feel free to reach out at pinal@sqlauthority.com.

Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).

Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.

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