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Microsoft SQL Server Express authentication error

Anonymous
2024-08-29T12:45:53+00:00

I have a C# project, which is a Windows Form application. I use Microsoft SQL Server Express 2022 for a database.
When starting the application, gets errors, "can not find user A.M in database" and "User is not authorized".
Can anyone help me with fixing these errors?

Windows for home | Windows 10 | Security and privacy

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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  1. DaveM121 891.1K Reputation points Independent Advisor
    2024-08-29T14:24:51+00:00

    Okay, glad to help!

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  2. Anonymous
    2024-08-29T14:09:48+00:00

    Question title is "Database error between Microsoft SQL Server Express and C# project"

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  3. DaveM121 891.1K Reputation points Independent Advisor
    2024-08-29T13:58:01+00:00

    Glad to help!

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  4. Anonymous
    2024-08-29T13:57:31+00:00

    Thank you, Dave.

    I will just post the question over there again.

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  5. DaveM121 891.1K Reputation points Independent Advisor
    2024-08-29T13:19:29+00:00

    Hi, I am Dave, I will help you with this.

    I apologize, Community is just a consumer forum, due to the scope of your question (C# Dev) can you please post this question to our sister forum on Microsoft Q&A (The Developers Forum) in the C# section (linked below)

    Over there you will have access to a host of Developers and C# Programming experts and will get a knowledgeable and quick answer to this question.

    https://learn.microsoft.com/en-us/answers/tags/...

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