The Mail Express Server installer and the Mail Express Server support the SQL Server Authentication and Windows Authentication options for connecting to the SQL Server 2008 R2 instance.
When using SQL Server Authentication, both a username and a password must be provided.
When using Windows Authentication the current user account for the process will be used when connecting:
When the installer performs tasks that require connecting to the instance such as creating the database, database user, and database schema or when upgrading the schema it will use the credentials for the user account that launched the installer.
When the Mail Express Server connects to the database, it will use the credentials of the “Log on” account that is configured to run the Mail Express Server Windows service.
To specify the account that Mail Express Server service is to log on as
Click Start, click in the Start Search box, type the following text, then press ENTER:
services.msc
In the details pane, right-click the Mail Express Server service, and then click Properties.
Click the Log On tab, and then do one of the following:
To specify that the service uses the Local System account, click Local System account. (Set by default.)
To specify that the service uses the Local Service account, click This account, and then type NT AUTHORITY\LocalService.
To specify that the service uses the Network Service account, click This account, and then type NT AUTHORITY\NetworkService.
To specify another account, click This account, click Browse, and then specify a user account in the Select User dialog box. When you are finished, click OK.
Type the password for the user account in the Password and Confirm password boxes and then click OK. If you select the Local Service account or Network Service account, do not type a password.
To configure how a service is started using the command line
You can also manage services using the sc config command. For more information about the options available, open a command prompt and type sc config /?. For examples and detailed descriptions of the command-line options, see the command-line reference at http://go.microsoft.com/fwlink/?linkid=53528.