SQL Server Login Dialog Box (ODBC)
When you call an ODBC connection without specifying enough information for the driver to connect to a SQL Server, the ODBC driver displays the SQL Server Login dialog box.
Options
Server
The name of an instance of SQL Server on your network. Select a server\instance name from the list, or type the server\instance name in the Server box. Optionally, you can create a server alias on the client computer using SQL Server Configuration Manager, and type that name in the Server box.
You can enter "(local)" when you are using the same computer as SQL Server. You can then connect to a local instance of SQL Server, even when running a non-networked version of SQL Server.
For more information about server names for different types of networks, see the SQL Server installation documentation in SQL Server Books Online.
Authentication Mode
Selects the authentication mode from one of the following:
SQL Server with login ID and password
Windows Integrated authentication using the currently logged-in user's account
Active Directory Password with login ID and password
Active Directory Integrated authentication using the currently logged-in Microsoft Entra user's account
Active Directory Interactive authentication with a Microsoft Entra login ID
Managed Service Identity authentication with Microsoft Entra managed identity
Active Directory Service Principal authentication with a Microsoft Entra service principal
See ODBC Data Source Administrator DSN options for more information on the authentication modes.
Server SPN
If you use a trusted connection, you can specify a service principal name (SPN) for the server.
Login ID
Specifies the SQL Server or Microsoft Entra login ID to use for the connection if Authentication Mode is set to SQL Server, Active Directory Password, Active Directory Interactive, Managed Service Identity, or Active Directory Service Principal. Otherwise, the Login ID box is disabled.
Password
Specifies the password for the SQL Server or Microsoft Entra login ID used for the connection if Authentication Mode is set to SQL Server or Active Directory Password. Otherwise, the Password box is disabled.
Options
Displays or hides the Options group. The Options button is enabled if Server has a value.
Change Password
When this box is selected, displays the New Password and Confirm New Password boxes.
New Password
Specifies the new password.
Confirm New Password
Specifies the new password a second time, for confirmation.
Database
Specifies the default database to use on the connection. This setting overrides the default database specified for the login on the server. If no database is specified, the connection uses the default database specified for the login on the server.
Mirror Server
Specifies the name of the failover partner of the database to be mirrored.
Mirror SPN
Optionally, you can specify an SPN for the mirror server. The SPN for the mirror server is used for mutual authentication between client and server.
Language
Specifies the national language to use for SQL Server system messages. The computer running SQL Server must have the language installed. This setting overrides the default language specified for the login on the server. If no language is specified, the connection uses the default language specified for the login on the server.
Application Name
(Optional) Specifies the application name to be stored in the program_name column in the row for this connection in sys.sysprocesses.
Workstation ID
(Optional) Specifies the workstation ID to be stored in the hostname column in the row for this connection in sys.sysprocesses.
Use strong encryption for data
When selected, data that is passed through the connection will be encrypted. Logins are encrypted by default, even if the check box is cleared. This option is available in ODBC Driver 17 and older.
Connection Encryption
Declares the connection encryption mode to be used. Selecting the Optional or Mandatory option is equivalent to having Use strong encryption for data unselected or selected, respectively. When Strict is used, the connection will be encrypted using TDS 8.0. This option is available in ODBC Driver 18 and newer.
Server certificate (optional)
Specifies the server certificate (PEM, DER, or CER format) to match against the certificate returned by the server during encryption negotiation. When specified, certificate validation is done by checking if the server's certificate is an exact match against the certificate specified. The Hostname in certificate option is ignored when a server certificate is specified. This option is applicable only when Connection Encryption is set to Strict and is available in ODBC Driver 18.1 and newer.
Hostname in certificate (optional)
Specifies the hostname to be used when validating the server's certificate. When left blank, the server name is used as the hostname for validation. A hostname can only be specified when Trust server certificate is unselected. This option is available in ODBC Driver 18 and newer.
Trust server certificate
This option is applicable only when Use strong encryption for data is enabled (ODBC Driver 17 and older), or when Connection Encryption is set to Optional or Mandatory (ODBC Driver 18 and newer). When selected, the server's certificate won't be validated to have the correct hostname of the server and be issued by a trusted certificate authority. The server's certificate will always be validated when using the Strict encryption mode.
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