Authentication mode windows server error

If you use "Windows", user can login with windows username and password. In "Forms" user can login with standart asp. In Passport user can login with and id such as windows live. And If you choose none, you must write your custom authentication. The content you requested has been removed. Ask a question. Quick access. Search related threads. Users who are already authenticated with Windows and need not provide any additional credentials while connecting to SQL Server.

It is also called a trusted connection. The user account is confirmed by Windows. In Windows authentication, login can be created in SQL Server for an entire Windows group which simplifies managing account administration. Windows authentication uses Kerberos security protocol, provides password policy enforcement, and supports password expiration.

Let's see how to create a new login that uses local Window's user account to connect with the SQL Server. In the object explorer, expand the Security folder and right-click on the Logins folder and click New Login.. In the Login —New window, shown below, enter a Windows user name.

If a user name is not a Windows user then it will raise an error. You may click on the Search button to search a Windows user, as shown below. After entering a login name, you will have to choose either Windows authentication or SQL Server authentication. Select Windows authentication. Notice that the password field and password policy radio buttons will be disabled for Windows authentication because we will use the Windows credentials here.

On the Server Roles page, you can assign the server-level role to the new login by clicking the checkbox next to the role. SQL is configured with two named instances. Reason: An attempt to login using SQL authentication failed. Server is configured for Windows authentication only.

Our reports were built in Crystal Reports and some of them run as scheduled jobs as a windows user which is a sysadmin. This has had no effect on the error messages. The error reason An attempt to login using SQL authentication failed. When the server is configured for mixed mode authentication, and an ODBC connection uses the TCP protocol, and the connection does not explicitly specify that the connection should use a trusted connection. When the server is configured for mixed mode authentication, and an ODBC connection uses named pipes, and the credentials the client used to open the named pipe are used to automatically impersonate the user, and the connection does not explicitly specify that the connection should use a trusted connection.

There is something i have not understood , you have written "SQL is configured with two named instances" but with my poor english, it is usual. Thanks for the link i have lost it when my system disk crashed 4 months ago and was unable to retrieve it.