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Commit 7782382

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Jill Grant
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Merge pull request #29930 from arellegue/GAReleaseV52
Updates for Release 5.2
2 parents 43404a8 + c87becb commit 7782382

6 files changed

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‎docs/connect/ado-net/appcontext-switches.md‎

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@@ -21,7 +21,7 @@ The AppContext class allows SqlClient to provide new functionality while continu
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[!INCLUDE [appliesto-netfx-netcore-netst-md](../../includes/appliesto-netfx-netcore-netst-md.md)]
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Starting with Microsoft.Data.SqlClient 4.0, TLS 1.3 isn't supported by the driver and has been removed from the supported protocols list by default. Users can switch back to forcing use of the operating system's client protocols, by setting the AppContext switch **"Switch.Microsoft.Data.SqlClient.UseSystemDefaultSecureProtocols"** to true:
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Starting with Microsoft.Data.SqlClient 4.0, TLS 1.3 isn't supported by the driver and was removed from the supported protocols list by default. Users can switch back to forcing use of the operating system's client protocols, by setting the AppContext switch **"Switch.Microsoft.Data.SqlClient.UseSystemDefaultSecureProtocols"** to true:
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```csharp
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AppContext.SetSwitch("Switch.Microsoft.Data.SqlClient.UseSystemDefaultSecureProtocols", true);
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[!INCLUDE [appliesto-netfx-netcore-netst-md](../../includes/appliesto-netfx-netcore-netst-md.md)]
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Starting with Microsoft.Data.SqlClient 2.0, decimal data will be rounded by default, as is done by SQL Server. To enable the previous behavior of truncation, you can set the AppContext switch **"Switch.Microsoft.Data.SqlClient.TruncateScaledDecimal"** to `true` at application startup:
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Starting with Microsoft.Data.SqlClient 2.0, decimal data is rounded by default, as is done by SQL Server. To enable the previous behavior of truncation, you can set the AppContext switch **"Switch.Microsoft.Data.SqlClient.TruncateScaledDecimal"** to `true` at application startup:
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```csharp
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AppContext.SetSwitch("Switch.Microsoft.Data.SqlClient.TruncateScaledDecimal", true);
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AppContext.SetSwitch("Switch.Microsoft.Data.SqlClient.UseManagedNetworkingOnWindows", true);
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```
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This switch will toggle the driver's behavior to use a managed networking implementation in .NET Core 2.1+ and .NET Standard 2.0+ projects on Windows, eliminating all dependencies on native libraries for the Microsoft.Data.SqlClient library. It's intended for testing and debugging purposes only.
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This switch toggles the driver's behavior to use a managed networking implementation in .NET Core 2.1+ and .NET Standard 2.0+ projects on Windows, eliminating all dependencies on native libraries for the Microsoft.Data.SqlClient library. It is for testing and debugging purposes only.
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> [!NOTE]
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> There are some known differences when compared to the native implementation. For example, the managed implementation does not support non-domain Windows Authentication.
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## Enable a minimum timeout during login
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[!INCLUDE [appliesto-netfx-xxxx-xxxx-md](../../includes/appliesto-netfx-xxxx-xxxx-md.md)]
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[!INCLUDE [appliesto-netfx-netcore-netst-md](../../includes/appliesto-netfx-netcore-netst-md.md)]
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To prevent a login attempt from waiting indefinitely, you can set the AppContext switch **Switch.Microsoft.Data.SqlClient.UseOneSecFloorInTimeoutCalculationDuringLogin** to `true` at application startup:
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‎docs/connect/ado-net/download-microsoft-sqlclient-data-provider.md‎

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description: Download page for ADO.NET and Microsoft SqlClient Data Provider for SQL Server.
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author: David-Engel
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ms.author: v-davidengel
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ms.date: 01/11/2023
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ms.date: 02/28/2024
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ms.service: sql
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ms.topic: conceptual
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## Download stable versions of Microsoft SqlClient Data Provider for SQL Server
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* [5.2.0](https://www.nuget.org/packages/Microsoft.Data.SqlClient/5.2.0)
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* [5.1.0](https://www.nuget.org/packages/Microsoft.Data.SqlClient/5.1.0)
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* [5.0.0](https://www.nuget.org/packages/Microsoft.Data.SqlClient/5.0.0)
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* [4.1.0](https://www.nuget.org/packages/Microsoft.Data.SqlClient/4.1.0)

‎docs/connect/ado-net/introduction-microsoft-data-sqlclient-namespace.md‎

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description: Learn about the Microsoft.Data.SqlClient namespace and how it's the preferred way to connect to SQL for .NET applications.
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author: David-Engel
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ms.author: v-davidengel
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ms.date: 04/19/2023
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ms.date: 02/28/2024
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ms.service: sql
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The Microsoft.Data.SqlClient API details can be found in the [.NET API Browser](/dotnet/api/microsoft.data.sqlclient).
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## Release notes for Microsoft.Data.SqlClient 5.2
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### New features in 5.2
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- Added support of `SqlDiagnosticListener` on **.NET Standard**. [#1931](https://github.com/dotnet/SqlClient/pull/1931)
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- Added new property `RowsCopied64` to `SqlBulkCopy`. [#2004](https://github.com/dotnet/SqlClient/pull/2004) [Read more](#added-new-property-rowscopied64-to-sqlbulkcopy)
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- Added a new `AccessTokenCallBack` API to `SqlConnection`. [#1260](https://github.com/dotnet/SqlClient/pull/1260) [Read more](#added-new-property-accesstokencallback-to-sqlconnection)
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- Added support for the `SuperSocketNetLib` registry option for Encrypt on .NET on Windows. [#2047](https://github.com/dotnet/SqlClient/pull/2047)
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- Added `SqlBatch` support on .NET 6+ [#1825](https://github.com/dotnet/SqlClient/pull/1825), [#2223](https://github.com/dotnet/SqlClient/pull/2223) [Read more](#sqlbatch-api)
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- Added Workload Identity authentication support [#2159](https://github.com/dotnet/SqlClient/pull/2159), [#2264](https://github.com/dotnet/SqlClient/pull/2264)
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- Added Localization support on .NET [#2210](https://github.com/dotnet/SqlClient/pull/2110)
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- Added support for Georgian collation [#2194](https://github.com/dotnet/SqlClient/pull/2194)
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- Added support for Big Endian systems [#2170](https://github.com/dotnet/SqlClient/pull/2170)
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- Added .NET 8 support [#2230](https://github.com/dotnet/SqlClient/pull/2230)
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- Added explicit version for major .NET version dependencies on System.Runtime.Caching 8.0.0, System.Configuration.ConfigurationManager 8.0.0, and System.Diagnostics.DiagnosticSource 8.0.0 [#2303](https://github.com/dotnet/SqlClient/pull/2303)
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- Added the ability to generate debugging symbols in a separate package file [#2137](https://github.com/dotnet/SqlClient/pull/2137)
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### Added new property `RowsCopied64` to SqlBulkCopy
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SqlBulkCopy has a new property `RowsCopied64` which supports `long` value types.
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**Note that the existing `SqlBulkCopy.RowsCopied` behavior is unchanged. When the value exceeds `int.MaxValue`, `RowsCopied` can return a negative number.**
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Example usage:
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```C#
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using (SqlConnection srcConn = new SqlConnection(srcConstr))
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using (SqlCommand srcCmd = new SqlCommand("select top 5 * from employees", srcConn))
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{
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srcConn.Open();
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using (DbDataReader reader = srcCmd.ExecuteReader())
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{
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using (SqlBulkCopy bulkcopy = new SqlBulkCopy(dstConn))
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{
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bulkcopy.DestinationTableName = dstTable;
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SqlBulkCopyColumnMappingCollection ColumnMappings = bulkcopy.ColumnMappings;
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ColumnMappings.Add("EmployeeID", "col1");
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ColumnMappings.Add("LastName", "col2");
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ColumnMappings.Add("FirstName", "col3");
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bulkcopy.WriteToServer(reader);
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long rowsCopied = bulkcopy.RowsCopied64;
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}
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}
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}
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```
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### Added new property `AccessTokenCallBack` to SqlConnection
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SqlConnection supports `TokenCredential` authentication by introducing a new `AccessTokenCallBack` property as a `Func<SqlAuthenticationParameters, CancellationToken,Task<SqlAuthenticationToken>>` delegate to return a federated authentication access token.
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Example usage:
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```C#
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using Microsoft.Data.SqlClient;
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using Azure.Identity;
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const string defaultScopeSuffix = "/.default";
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string connectionString = GetConnectionString();
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using SqlConnection connection = new SqlConnection(connectionString);
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connection.AccessTokenCallback = async (authParams, cancellationToken) =>
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{
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var cred = new DefaultAzureCredential();
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string scope = authParams.Resource.EndsWith(defaultScopeSuffix) ? authParams.Resource : authParams.Resource + defaultScopeSuffix;
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AccessToken token = await cred.GetTokenAsync(new TokenRequestContext(new[] { scope }), cancellationToken);
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return new SqlAuthenticationToken(token.Token, token.ExpiresOn);
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}
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connection.Open();
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Console.WriteLine("ServerVersion: {0}", connection.ServerVersion);
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Console.WriteLine("State: {0}", connection.State);
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```
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### SqlBatch API
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Example usage:
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```csharp
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using Microsoft.Data.SqlClient;
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class Program
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{
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static void Main()
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{
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string str = "Data Source=(local);Initial Catalog=Northwind;"
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+ "Integrated Security=SSPI;Encrypt=False";
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RunBatch(str);
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}
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static void RunBatch(string connString)
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{
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using var connection = new SqlConnection(connString);
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connection.Open();
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var batch = new SqlBatch(connection);
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const int count = 10;
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const string parameterName = "parameter";
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for (int i = 0; i < count; i++)
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{
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var batchCommand = new SqlBatchCommand($"SELECT @{parameterName} as value");
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batchCommand.Parameters.Add(new SqlParameter(parameterName, i));
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batch.BatchCommands.Add(batchCommand);
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}
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// Optionally Prepare
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batch.Prepare();
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var results = new List<int>(count);
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using (SqlDataReader reader = batch.ExecuteReader())
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{
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do
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{
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while (reader.Read())
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{
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results.Add(reader.GetFieldValue<int>(0));
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}
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} while (reader.NextResult());
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}
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Console.WriteLine(string.Join(", ", results));
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}
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}
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```
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## 5.2 Target Platform Support
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- .NET Framework 4.6.2+ (Windows x86, Windows x64)
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- .NET 6.0+ (Windows x86, Windows x64, Windows ARM64, Windows ARM, Linux, macOS)
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- .NET Standard 2.0+ (Windows x86, Windows x64, Windows ARM64, Windows ARM, Linux, macOS)
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Full release notes, including dependencies, are available in the GitHub Repository: [5.2 Release Notes](https://github.com/dotnet/SqlClient/tree/main/release-notes/5.2).
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- Dropped support for .NET Core 3.1. [#1704](https://github.com/dotnet/SqlClient/pull/1704) [#1823](https://github.com/dotnet/SqlClient/pull/1823)

‎docs/connect/ado-net/sql/azure-active-directory-authentication.md‎

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| Active Directory Device Code Flow | Authenticate with a Microsoft Entra identity by using Device Code Flow mode | 2.1.0+ |
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| Active Directory Managed Identity, <br>Active Directory MSI | Authenticate using a Microsoft Entra system-assigned or user-assigned managed identity | 2.1.0+ |
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| Active Directory Default | Authenticate with a Microsoft Entra identity by using password-less and non-interactive mechanisms including managed identities, Visual Studio Code, Visual Studio, Azure CLI, etc. | 3.0.0+ |
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| Active Directory Workload Identity| Authenticate with a Microsoft Entra identity by using a federated User Assigned Managed Identity to connect to SQL Database from Azure client environments that have enabled support for Workload Identity. | 5.2.0+ |
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<sup>1</sup> Before **Microsoft.Data.SqlClient** 2.0.0, `Active Directory Integrated`, and `Active Directory Interactive` authentication modes are supported only on .NET Framework.
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## Using workload identity authentication
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Available starting in version 5.2, like with managed identities, [workload identity](/azure/aks/workload-identity-overview) authentication mode uses the value of the User Id parameter in the connection string for its Client Id if specified. But unlike managed identity, WorkloadIdentityCredentialOptions defaults its value from environment variables: AZURE_TENANT_ID, AZURE_CLIENT_ID, and AZURE_FEDERATED_TOKEN_FILE. However, only the Client Id may be overridden by the connection string.
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The following example demonstrates `Active Directory Workload Identity` authentication with a user-assigned managed identity with **Microsoft.Data.SqlClient v5.2 onwards**.
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```cs
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// Use your own values for Server, Database, and User Id.
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// With Microsoft.Data.SqlClient v5.2+
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string ConnectionString = @"Server=demo.database.windows.net; Authentication=Active Directory Workload Identity; Encrypt=True; User Id=ClientIdOfManagedIdentity; Database=testdb";
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conn.Open();
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```
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## Customizing Microsoft Entra authentication
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Besides using the Microsoft Entra authentication built into the driver, **Microsoft.Data.SqlClient** 2.1.0 and later provide applications the option to customize Microsoft Entra authentication. The customization is based on the `ActiveDirectoryAuthenticationProvider` class, which is derived from the [`SqlAuthenticationProvider`](/dotnet/api/system.data.sqlclient.sqlauthenticationprovider) abstract class.

‎docs/connect/ado-net/sqlclient-driver-support-lifecycle.md‎

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description: Product support lifecycle information for the Microsoft.Data.SqlClient .NET library.
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ms.date: 02/28/2024
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| Version | Official Release Date | Latest Patch Version | Patch Release Date | Support Level | End of Support |
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| 5.2 | February 28, 2024 | - | - | Current | - |
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| 5.1 | January 19, 2023 | 5.1.5 | January 29, 2024 | LTS | January 20, 2026 |
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| 4.0 | November 18, 2021 | 4.0.5 | January 9, 2024 | LTS | November 19, 2024 |
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| 3.1 | March 30, 2022 | 3.1.5 | January 9, 2024 | LTS | March 30, 2025 |
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|Database version&nbsp;&#8594;<br />&#8595; Driver Version|Azure SQL Database|Azure Synapse Analytics|Azure SQL Managed Instance|SQL Server 2022|SQL Server 2019|SQL Server 2017|SQL Server 2016|SQL Server 2014|SQL Server 2012|
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|5.2|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes||
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|5.1|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|
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|5.0|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|
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|4.1|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|

‎docs/includes/appliesto-netfx-netcore-netst-md.md‎

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---
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[!INCLUDE [applies-md](applies-md.md)] :::image type="icon" source="media/yes-icon.svg" border="false"::: .NET Framework :::image type="icon" source="media/yes-icon.svg" border="false"::: .NET Core :::image type="icon" source="media/yes-icon.svg" border="false"::: .NET Standard
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[!INCLUDE [applies-md](applies-md.md)] :::image type="icon" source="media/yes-icon.svg" border="false"::: .NET Framework :::image type="icon" source="media/yes-icon.svg" border="false"::: .NET :::image type="icon" source="media/yes-icon.svg" border="false"::: .NET Standard

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