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Editorial Team
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Asked: 2026-05-13T16:54:42+00:00

I tried to install Amplifeeder today with the Web Platform Installer. When I arrived

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I tried to install Amplifeeder today with the Web Platform Installer.

When I arrived at the database setup I had to fill out some informations like “db admin user/password” and user username/password.

Using SQL Express I do not have any username/password (neither admin or user). How should I be able to install applications with the WPI and SQL Express 2008 ?

Basically I had this error while trying to install in the logs : 

DownloadManager Error: 0 : MS Deploy exception: Microsoft.Web.Deployment.DeploymentClientServerException: The database 'AmpliFeederDB' could not be created. ---> System.Data.SqlClient.SqlException: Login failed for user 'sa'. The user is not associated with a trusted SQL Server connection.
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1 Answer

  1. Editorial Team

    I finally achieved this by command line and reg fixes.

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQLServer

    LoginMode must be 2

    restart SQL Server Express service.

    Then :
    In command line : 

    sqlcmd -E -S .\SQLEXPRESS (will login with windows authentication mode)

1) ALTER LOGIN sa WITH PASSWORD = '<new_password>'
2) GO
1) ALTER LOGIN sa ENABLE
2) GO

    It should do the trick to install the applications after.

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