have a look into your database.

If you set a value for objectQualifier other than "" in the SqlDataProvider section of your web.config, all names of objects in your database (tables, views, sprocs) are preceeded by this string.

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Cheers from Germany,
Sebastian Leupold

   

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I've also tried using the following T/SQL:
Declare @UserName NVarChar(255)
Declare @NewPassword NVarChar(255)
Declare @PasswordSalt NVarChar(128)
Declare @Application NVarChar(255)

-- Enter the user name and new password between ''
-- do not leave any spaces unless intended to do so.
-- Edit only between single quote characters
Set @UserName = 'host' -- This default DNN host user
Set @NewPassword = 'newpassword' --New password
-- Do modify any code below this line

Set @Application = (SELECT [ApplicationID] FROM aspnet_Users WHERE UserName=@UserName)
Set @PasswordSalt = (SELECT PasswordSalt FROM aspnet_Membership WHERE UserID IN (SELECT UserID FROM aspnet_Users WHERE UserName=@UserName))

Exec dbo.aspnet_Membership_ResetPassword @Application, @UserName, @NewPassword, 10, 10, @PasswordSalt, -5

Checking the aspnet_Membership table showed no change. I think something is wrong with my database since this was done in Query Analyzer and the results showed 2 rows affected yet no change in the Password or PasswordSalt columns. My backups of the database have been no help either.