[error] Cannot open user default database. Login failed.

  • On the same machine when running an ASP.NET application, I'm getting what seems to be a pretty much infamous error. As a matter of fact the first error was a command suggested for resolving this issue:

    Cannot open user default database. Login failed.

    Login failed for user 'ARMANI\ASPNET'

    Within SQL Management Studio, under Security > Logins > \ASP.NET, the default database is set to master. I've tried to change that to C:\Inetpub\wwwroot\TestWebSite\App_Data\ASPNETDB.MDF, which is the database file used by the application, to no avail.

    :w00t:

    Related links:

    http://www.codeproject.com/script/Forums/View.aspx?fid=1642&msg=2958694 - forum post

    http://forums.asp.net/t/939300.aspx - 2nd error

    http://www.sqlservercentral.com/Forums/Topic673100-1291-1.aspx?Update=1

  • The path is not the same as the name. Can you connect to the DB using SQL EM?

    If not you may need to do this via a system stored proc sp_Defaultdb or the ALTER LOGIN sql command.

    If possible I'd recommend moving the DB to a true SQL server instance where you can take advantage of the features in the DBMS (backups, restores, etc)

    Good luck


    Doug

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