How do I fix SSPI context error?

How to solve the Cannot Generate SSPI Context error

Run Microsoft SQL Server Management Studio.
Expand the Security item in Object Explorer and right-click Logins and choose New Login….
Enter an account name in the Login name field and choose SQL Server authentication.

What does Cannot generate SSPI context mean?

The “Cannot generate SSPI context” error is generated when SSPI uses Kerberos authentication to delegate over TCP/IP and Kerberos authentication cannot complete the necessary operations to successfully delegate the user security token to the destination computer that is running SQL Server.

How do I register for SQL Server SPN?

To give permissions to SQL Server startup account to register and modify SPN do the following:

On the Domain Controller machine, start Active Directory Users and Computers.
Select View > Advanced.
Under Users, locate SQL Server startup account, and then right-click and select Properties.

What is the use of SPN in SQL Server?

SPNs are used by the authentication protocol to determine the account in which a SQL Server instance runs. If the instance account is known, Kerberos authentication can be used to provide mutual authentication by the client and server.

What is SSPI in SQL Server?

SSPI stands for Security Support Provider Interface. Other than SSPI you can also use “true”. Integrated Security actually ensures that you are connecting with SQL Server using Windows Authentication, not SQL Authentication; which requires username and password to be provided with the connecting string.

How do I set up SSPI?

The setup steps are as follows:

Identify Administrative Account.
Log in to pgAdmin 4.
Create Administrative Account in Postgres.
Open File Explorer to C:\Program Files\PostgreSQL\11\data.
Edit pg_ident. conf.
Modify pg_hba. conf.
Reload Postgres Configuration.
Confirm SSPI.

What is SPN?

A service principal name (SPN) is a unique identifier of a service instance. SPNs are used by Kerberos authentication to associate a service instance with a service logon account. A given service instance can have multiple SPNs if there are multiple names that clients might use for authentication.

How do I add SPN to my server?

To add an SPN, use the setspn -s service/name hostname command at a command prompt, where service/name is the SPN that you want to add and hostname is the actual host name of the computer object that you want to update.

How do you resolve a missing SPN?

Case 2: How to resolve a Misplaced SPN:

Run the following command to remove the misplaced SPN: setspn –D
On the client machine, either logoff and log back in or clear the Kerberos ticket cache by running the following command: klist purge.
Try reconnecting to SQL Server with your client application.

Why do I get error ” cannot generate SSPI context “?

However, once you do the right thing and change the SQL Service account, you may start getting the following error message when attempting to connect to the sql server: “The target principal name is incorrect. Cannot generate SSPI context.”

What does SSPI context error mean for Kerberos?

The SSPI context error definitely indicates authentication is being attempted using kerberos. Check the security event logs, if you are using kerberos you should see logon attempts with authentication package: Kerberos.

Why does SQL Server fail to create SPN?

However, if you run the SQL Server service under a domain account or under a local account, the attempt to create the SPN will fail in most cases because the domain account and the local account do not have the right to set their own SPNs.

What does SSPI mean in SQL Server Driver?

The SQL Server driver performs this delegation when the user’s security token is delegated from one computer to another by using one of the following configurations: Security Support Provider Interface (SSPI) is a set of Windows APIs that allows for delegation and mutual authentication over any generic data transport layer, such as TCP/IP sockets.

How do I fix SSPI context error?