What are service principal names?

What are service principal names?

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. This allows a client application to request that the service authenticate an account even if the client does not have the account name.

How do I remove service principal name?

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

What is service principal name in Azure?

What is a service principal name? An Azure SPN is a security identity used by user-created applications, services, and automation tools to access specific Azure resources. Think of it as a ‘user identity’ (username and password or certificate) with a specific role, and tightly controlled permissions.

How do I get service principal credentials?

The first command gets the ID of a service principal by using the Get-AzureADServicePrincipal (./Get-AzureADServicePrincipal.md)cmdlet. The command stores the ID in the $ServicePrincipalId variable. The second command gets the key credential for the service principal identified by $ServicePrincipalId.

Do you have rights to write serviceprincipalname?

We get the error: The SQL Network Interface libarary could not register the Service Principal Name (SPN) for the SQL Server service. Error: 0xd, state 13. I’ve read through several articles that state that the accounts must have rights to Read/Write ServicePrincipalName.

How is a service Principal Name ( SPN ) assigned?

The SPN is registered in Active Directory under a user account as an attribute called Service-Principal-Name. The SPN is assigned to the account under which the service the SPN identifies is running. The SPN is assigned to the account under which the service the SPN identifies is running.

Why is my service principal name not registered?

The Directory Service received a failure while trying to perform an authenticated RPC call to another Domain Controller. The failure is that the desired Service Principal Name (SPN) is not registered on the target server. Additional errors that may be seen related to SPN issues:

When to use service principal names in Active Directory?

Service Principal Names can be defined on user accounts when a Service or application is running under that users Security context. Typically these types of user accounts are known as “Service Accounts”. It is very import that you understand that Service Principal Names MUST be unique throughout the entire Active Directory forest.”