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Login Failed - The Login is from an untrusted domain and cannot be used with windows authentication


I was using Redgate data generator yesterday fine - with a specific project and all was well - I was able to insert test data into my test SQL database using CSV files without any issues and I saved the the updated project.

I closed my laptop and reopened it, logged on and reopened the project this morning from recent project and can no longer open it as it had the error above.

I have not had this issue before.

Any ideas?  The only thing I have done is change my windows password yesterday?  Maybe that had something to do withit?  Although the project did seem to work after that as it was yesterday morning.




  • Options
    Hi Karen,

    Thank you for posting.

    Could you confirm which authentication method do you use to connect your SQL Server? Can you also confirm the version of SQL Data Generator you're using? 
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