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SQL Server Connection Error

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    #1

    SQL Server Connection Error

    Hi.

    I've had a frustrating night... I hope someone can help!

    Here's the story. I just uploaded my application to a new server with SQL Server 2016 installed on both systems (NOT SQL Server Express). The components and pages uploaded perfectly, as did the databases (some of the older components are using MS Access Tables that I inherited... more on that later).

    The application lets me login, without problems (using DBF web security), AND lets me work with any component/page that uses the MS Access tables (explained above). BUT, EVERY UX or Grid that uses the SQL Server Tables gives this error:

    The application works fine on the "localhost". I can log onto the Server and log in to SQL Server (Management Studio) and open and read the tables... no issues. I did NOT alter the "default packet size" on either system (both set to the default 4096). I even tried creating a new "connection string" to a new table that was created on the server (and backed up and restored onto the local machine). Again, it works fine on the localhost, but the server gives the same error as above.

    Everything worked fine on the previous server.

    I'm completely lost. Hopefully, someone out there has seen this before and will have a suggestion. I'd appreciate any help or suggestions.

    Thanks
    Tags: None
    #2
    Re: SQL Server Connection Error

    The problem seems to be your connection string for SQL. The very first error you see is a failed login. The login you are using locally isn't the same for this new SQL server.

    EDIT: Not talking about login for your app, just to be clear. When Alpha needs something from SQL it uses the connection string you have setup to access SQL. I'm thinking you've specified a specific username & password in that connection string. And that username & password doesn't exist on this new SQL server.
    Mike Brown - Contact Me
    Programmatic Technologies, LLC
    Programmatic-Technologies.com
    Independent Developer & Consultant​​

    Comment

      #3
      Re: SQL Server Connection Error

      Hi Mike-

      Thanks for writing back. Yes, I did see that... and spent an hour trying to figure out why it wouldn't login (I connect to SQL Server databases all the time). Unfortunately, no matter how I adjust the connection string, I get the same message (I've always used just "Windows Authentication"), but I've also tried adding a user to the database... but it didn't help.

      I just uninstalled and reinstalled SQL Server - no help! I get the same message. I was going to try to uninstall and go with SQL Server EXPRESS to see if it makes a difference!

      Anyway, I'm still stumped.

      Phil

      Comment

        #4
        Re: SQL Server Connection Error

        Is your SQL Server installation on the same machine as your Alpha Server?

        Comment

          #5
          Re: SQL Server Connection Error

          Yes.

          Comment

            #6
            Re: SQL Server Connection Error

            if everything works fine in local host but not when published, then the connection string is the first one to check as mike said
            i would check the web publishing profile for that server and correct the connection string alias if it needs to be corrected. then retest again.
            thanks for reading

            gandhi

            version 11 3381 - 4096
            mysql backend
            http://www.alphawebprogramming.blogspot.com
            [email protected]
            Skype:[email protected]
            1 914 924 5171

            Comment

              #7
              Re: SQL Server Connection Error

              Hi Gandhi and David-

              Thanks so much for your responses... I really appreciate the help.

              I solved the problem... After much work and several hours of diagnostics, it turns out the my SQL Server 2016 installation was, indeed, faulty. I have no idea why, but no matter what I tried (logins, re-installation, etc.) didn't fix the problem. Ultimately, I did an aggressive uninstall with Revo Uninstaller and deleted the SQL Server folders and the major Registry entries. Then, I downloaded a new installation file (this one, had SP1 included... the one I was using did not (I had been adding the service pack AFTER the installation)).

              Sure enough, it worked perfectly, as it had for all of my other SQL Server connections. It's very puzzling, because SQL Server Management Studio let me log on perfectly, showed no errors and let me access all of my databases.

              Anyway, thank you for your help and guidance. It was invaluable. I was frustrated and, at least, it gave me places to look. I'm back up and working at full speed to catch up.

              Phil

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