healthhaser.blogg.se - Sql server sa account can be disabled

#Sql server sa account can be disabled password
#Sql server sa account can be disabled windows

We must have come across so many distressing times by forgetting ' sa' password of local desktop SQL or small server. Resetting SQL Server ' sa' password is a complex issue all the time. We do forget the system admin passwords if it’s not used for a long time.

You can also use below T-SQL statement to enable sa account.In a smaller environment or on a local computer, we use SQL server versions for learning or testing our code, etc. If you are doing other way around then make sure to enable sa login as i suggested above. N'Software\Microsoft\MSSQLServer\MSSQLServer',Ībove command has again changed authenticating mode from mixed to windows.

#Sql server sa account can be disabled windows

Make sure to take a backup of windows registry before executing this script.ĮXEC xp_instance_regwrite N'HKEY_LOCAL_MACHINE', This extended stored procedure chnages windows registry entries so be careful while changing authentication mode in SQL Server using T-SQL statements. Microsoft has provided an extended stored procedure to chnage authenication mode in SQL Server using T-SQL statement. On the Status page, in the Login section, click Enabled, and then click OK.On the General page, you might have to create and confirm a password for the sa login.In Object Explorer, expand Security, expand Logins, right-click sa, and then click Properties.Below are the steps to enable this account: This account gets disabled during windows authentication mode to secure your SQL Server instance as sa is generic SQL Server login as it can be targeted by hackers to access your instance. If you are changing authentication mode from Windows to Mixed mode then make sure to enable SQL Server login sa account. You have changed your authentication mode from Mixed mode to Windows using SQL Server Management Studio. If SQL Server Agent is running, it must also be restarted. In Object Explorer, right-click your server, and then click Restart.A popup window will appear to ask you to restart the service when you will click at OK button in above step.

This change will require SQL Server service restart.

Select any as per your need and then click OK.

On the Security page, under Server authentication, you can see both authentication modes.

In SQL Server Management Studio Object Explorer, right-click the server, and then click Properties.

Launch SQL Server Management Studio, connect to your target SQL Server instance.

We can set or change authentication mode in SQL Server either using SQL Server management studio or using T-SQL statements. Also, Windows provides additional password policies that are not available for SQL Server logins and that is why Microsoft always recommends to use Windows authentication mode wherever it’s possible. Windows account needs to be authenticated to domain active directory every time you establish a database connection. Windows mode is secure than Mixed mode authentication because mixed mode has SQL Server authentication which cannot use Kerberos security protocol. Why Windows Authentication Mode is More Secure in SQL Server?

SQL Server Replication Interview Questions & Answers.

SQL Server Alwayson Interview Questions & Answers.

SQL Server Interview Questions & Answers on Indexes.

This mode doesn’t provide access to SQL Server logins. We must map windows accounts on SQL Server first before making any database connections. Windows Mode has only one way to establish database connections and that is using windows domain accounts. One is using SQL Server logins at SQL Server layer and another one is using Windows domain user authenticated using active directory and whose login is created and mapped on SQL Server instance. Mixed mode provides two ways to establish database connections.

Mixed Mode ( Windows +SQL Server login ).

Below are two types of authentication modes in SQL Server. We can also change SQL Server authentication mode later post installation. Authentication Mode is configured while installing SQL Server instance. SQL Server provides two types of authentication modes to connect to their database instances. Authentication is a process to establish a successful connection.