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Login failed. The login is from an untrusted domain and cannot be used with Windows authentication.

    Question

  • Hello.

    I've been using Sql Server 2012 Express about a month now with no problem, but today when tried to connect using Sql Manager I got this error: "Login failed. The login is from an untrusted domain and cannot be used with Windows authentication. (Microsoft SQL Server, Error: 18452)."

    To connect I always use the loopback IP 127.0.0.1.

    The thing is, I'm not in a domain, I use a home network, the Server is on my notebook that I use to debug some codes.

    The only thing i did different yesterday was that I went to the office and used its wi-fi, but I didn't put on domain.

    Here are a few prints. I'll be grateful if anyone could help me.

    Loopback IP Enabled

    Not in a domain

    Sunday, September 15, 2013 1:09 AM

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