1, using Windows Authentication mode access to the database manager
Right-root directory "" "" Properties "" "" Security on the left and select windows sql server verification (SQL Server and Windows Authentication Mode)
2, the root directory "" "" Security "" "Login" "" "sa
Right Properties "," 1 to determine the password reset
2 state "" log-in status is set to Enabled
3. Select the root directory of the right to restart the application
4、Over。
Reproduced in: https: //www.cnblogs.com/tutuyforever/p/3456154.html