Jdbc Sql Server Windows Authentication

Jdbc Sql Server Windows Authentication 3,5/5 4878 reviews

Jul 11, 2018  Connecting to SQL Server with the JDBC driver.; 2 minutes to read; In this article. Download JDBC Driver. One of the most fundamental things that you'll do with the Microsoft JDBC Driver for SQL Server is to make a connection to a SQL Server database.

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  1. Connecting using Azure Active Directory authentication.; 11 minutes to read +6; In this article. Download JDBC Driver. This article provides information on how to develop Java applications to use the Azure Active Directory authentication feature with the Microsoft JDBC Driver for SQL Server.
  2. Jan 19, 2017  SQL Server authenticates as a database user to another database (SQL Server. After integrated authentication is configured, credentials will be passed to the linked server. Integrated Authentication and sqlcmd. To access SQL Server using integrated authentication, use the.
  3. Windows authentication: using current Windows user account to log on SQL Server. This mode is for the case both the client and the SQL server are running on the same machine. We specify this mode by adding the property integratedSecurity=true to the URL.
  4. The DataDirect Connect for JDBC SQL Server driver provides the following methods for supporting Windows authentication. Pure Java (Type 4) authentication supports connections in a Windows domain running Windows Active Directory.

One of the most fundamental things that you'll do with the Microsoft JDBC Driver for SQL Server is to make a connection to a SQL Server database. All interaction with the database occurs through the SQLServerConnection object, and because the JDBC driver has such a flat architecture, almost all interesting behavior touches the SQLServerConnection object.

If a SQL Server is only listening on an IPv6 port, set the java.net.preferIPv6Addresses system property to make sure that IPv6 is used instead of IPv4 to connect to the SQL Server:

The topics in this section describe how to make and work with a connection to a SQL Server database.

In this section

TopicDescription
Building the connection URLDescribes how to form a connection URL for connecting to a SQL Server database. Also describes connecting to named instances of a SQL Server database.
Setting the connection propertiesDescribes the various connection properties and how they can be used when you connect to a SQL Server database.
Setting the data source PropertiesDescribes how to use data sources in a Java Platform, Enterprise Edition (Java EE) environment.
Working with a connectionDescribes the various ways in which to create an instance of a connection to a SQL Server database.
Using connection poolingDescribes how the JDBC driver supports the use of connection pooling.
Using database mirroring (JDBC)Describes how the JDBC driver supports the use of database mirroring.
JDBC driver support for High Availability, disaster recoveryDescribes how to develop an application that will connect to an AlwaysOn availability group.
Using Kerberos Integrated Authentication to Connect to SQL ServerDiscusses a Java implementation for applications to connect to a SQL Server database using Kerberos integrated authentication.
Connecting to an Azure SQL databaseDiscusses connectivity issues for databases on SQL Azure.

See also

Active1 year, 4 months ago

I am using Microsoft SQL Server 2008 and am trying to connect to the database using JDBC. Below is my code. The username and password use Windows authentication.

I am getting the blow error when trying to connect

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com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user 'USERNAME'. ClientConnectionId:befb617f-8382-4388-ad98-a210ed0c3105

Jdbc Sql Server Windows Authentication Java

Can someone help me out on what to check to resolve the error. I have tried filling out both the user name and password in my url1 string, but I get the same error. I have also tried including the domain in the user name (domainUSERNAME). I'm relatively new to sql and java, so hopefully I'm just missing something simple.

EDIT:

I changed my code to below

I am now getting the below error. I have the sqljdbc_auth.dll. Can someone point me in the right direction on how to resolve this?

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com.microsoft.sqlserver.jdbc.SQLServerException: Integrated authentication failed. ClientConnectionId:0e66f60e-958c-4c8e-85b9-484023f16ecf at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:1667) at com.microsoft.sqlserver.jdbc.KerbAuthentication.intAuthInit(KerbAuthentication.java:140) at com.microsoft.sqlserver.jdbc.KerbAuthentication.GenerateClientContext(KerbAuthentication.java:268) at com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:2691) at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:2234) at com.microsoft.sqlserver.jdbc.SQLServerConnection.access$000(SQLServerConnection.java:41) at com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:2220) at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:5696) at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1715) at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1326) at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:991) at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:827) at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1012) at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at com.ibm.atmn.tests.DumbyClass.DumbyTests(DumbyClass.java:52) Caused by: javax.security.auth.login.LoginException: Unable to obtain Princpal Name for authentication

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3 Answers

You do not use authenticationScheme=JavaKerberos together with sqljdbc_auth.dll. If you have the DLL then leave out the authentication scheme and you will connect as the user logged into Windows.

If you want to connect as a different user or you are not on Windows then you can specify authenticationScheme=JavaKerberos. For this to work you need to supply these system properties:

  • -Djava.security.auth.login.config=???
  • -Djava.security.krb5.conf=???

See also Oracles documentation about Kerberos Requirements.

Lonely Neuron
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Jeff JohnstonJeff Johnston

you have to setup kerberos related java properties

1) loginContext configuration file By default ,microsoft configured for you and this is optional.But if you want to control more about the behavior, you have to dive into the details. https://docs.oracle.com/javase/8/docs/jre/api/security/jaas/spec/com/sun/security/auth/module/Krb5LoginModule.html

2) kerberos configuration a) use external configuation then passed to java b) directly use java properties to set like System.setProperty('java.security.krb5.realm', ''); System.setProperty('java.security.krb5.kdc',)

TimTim

When connecting to SQL Server with Windows Authentication, you cannot use a username and password (see for example this answer). Instead you need to specify integratedSecurity=true and depending on the driver version and preference you need to use Kerberos authentication (and include authenticationScheme=JavaKerberos in the connection string) or load the right sqljdbc_auth.dll.

Jdbc Connect Sql Server Using Windows Authentication

See Using Kerberos Integrated Authentication to Connect to SQL Server and Building the Connection URL

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Mark RotteveelMark Rotteveel

Windows Authentication Sql Connection Stri…

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