.NET Framework Compatibility Requirements

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The Datadog .NET Tracer supports all .NET-based languages (for example, C#, F#, Visual Basic).

The .NET Tracer is open source. For more information, see the .NET Tracer repository.

Supported .NET Framework runtimes

The .NET Tracer supports automatic and custom instrumentation on the following .NET Framework versions. It also supports .NET Core and .NET 5+. The .NET Tracer does not support code running in partial trust environments.

.NET Framework VersionMicrosoft End of LifeSupport levelPackage versionDatadog End of Life
4.8.1GAlatest
4.8GAlatest
4.7.2GAlatest
4.7GAlatest
4.6.2GAlatest
4.6.104/26/2022GAlatest
4.604/26/2022EOL< 2.0.0 (e.g. 1.31.2)04/26/2022
4.5.204/26/2022EOL< 2.0.0 (e.g. 1.31.2)04/26/2022
4.5.101/12/2016EOL< 2.0.0 (e.g. 1.31.2)04/26/2022
4.501/12/2016EOL< 2.0.0 (e.g. 1.31.2)04/26/2022

Additional information can be found in Microsoft’s .NET Framework Lifecycle Policy and in .NET runtime support policy.

Note: When deciding which tracer version to use for an automatic instrumentation, use the .NET Framework version installed on the application server. For example, if you compile your application to target .NET Framework 4.5.1, but the application runs on a server that has .NET Framework 4.8 installed, use the latest version of the tracer. To determine which version of .NET Framework is installed on a machine, follow the guidance provided by Microsoft.

Supported processor architectures

The .NET Tracer supports automatic instrumentation on the following architectures:

Processor architecturesSupport levelPackage version
Windows x86 (win-x86)GAlatest
Windows x64 (win-x64)GAlatest

Integrations

The latest version of the .NET Tracer can automatically instrument the following libraries:

Framework or libraryNuGet packageIntegration Name
.NET Remotingbuilt-inRemoting
ADO.NETAll AdoNet integrationsAdoNet
AerospikeAerospike.Client 4.0.0+Aerospike
ASP.NET (including Web Forms)built-inAspNet
ASP.NET MVCMicrosoft.AspNet.Mvc 4.0+AspNetMvc
ASP.NET Web API 2Microsoft.AspNet.WebApi 5.1+AspNetWebApi2
Amazon DynamoDBAWSSDK.DynamoDBv2 3.0+AwsDynamoDb
Amazon KinesisAWSSDK.Kinesis 3.0+AwsKinesis
Amazon SNSAWSSDK.SNS 3.0+AwsSns
Amazon SQSAWSSDK.SQS 3.0+AwsSqs
CosmosDbMicrosoft.Azure.Cosmos 3.6.0+CosmosDb
CouchbaseCouchbaseNetClient 2.2.8+Couchbase
ElasticsearchElasticsearch.Net 5.3.0+ElasticsearchNet
GraphQL .NETGraphQL 2.3.0+GraphQL
gRPCGrpc.Core 2.3.0+Grpc
HotChocolateHotChocolate 11.0.0+HotChocolate
HttpClient / HttpMessageHandlerbuilt-inHttpMessageHandler
IBM MQamqmdnetstd 9.0.0+IbmMq
KafkaConfluent.Kafka 1.4+Kafka
MongoDBMongoDB.Driver.Core 2.1.0+MongoDb
MSMQbuilt-inMsmq
MySqlMySql.Data 6.7.0+
MySqlConnector 0.61.0+		MySql
OracleOracle.ManagedDataAccess 4.122.0+Oracle
PostgreSQLNpgsql 4.0+Npgsql
Process"System.Diagnostics.Process" 4.0+Process
RabbitMQRabbitMQ.Client 3.6.9+,RabbitMQ
Redis (ServiceStack client)ServiceStack.Redis 4.0.48+ServiceStackRedis
Redis (StackExchange client)StackExchange.Redis 1.0.187+StackExchangeRedis
SQLiteSystem.Data.Sqlite 2.0.0+
Microsoft.Data.Sqlite 1.0.0+		Sqlite
SQL ServerSystem.Data 4.0.0+
System.Data.SqlClient 4.0.0+
Microsoft.Data.SqlClient 1.0.0+		SqlClient
WCF (server)built-inWcf
WebClient / WebRequestbuilt-inWebRequest

Don’t see the library you’re looking for? First, check if the library produces observability data compatible with OpenTelemetry (for example, activity based tracing). If not, Datadog is continually adding additional support. Check with the Datadog team for help.

OpenTelemetry based integrations

Some libraries provide built-in Activity based tracing. This is the same mechanism that OpenTelemetry is based on.

For these libraries, set DD_TRACE_OTEL_ENABLED to true, and the .NET tracer automatically captures traces their traces. This is supported since version 2.21.0.

The following list of libraries have been tested with this setup:

Framework or libraryNuGet packageIntegration NameSpecific instructions
Azure Service BusAzure.Messaging.ServiceBus 7.14.0+AzureServiceBusSee Azure SDK section below

Azure SDK

Azure SDK provides built-in OpenTelemetry support. Enable it by setting the AZURE_EXPERIMENTAL_ENABLE_ACTIVITY_SOURCE environment variable to true or by setting the Azure.Experimental.EnableActivitySource context switch to true in your application code. See Azure SDK documentation for more details.

Supported Datadog Agent versions

Datadog Agent versionPackage version
7.xlatest
6.xlatest
5.xlatest

.NET runtime support policy

The .NET Tracer depends on the host operating system, .NET Framework runtime, certain .NET Framework libraries, and the Datadog Agent/API. These third party software systems support specific versions of .NET Framework. When the external software no longer supports a version of .NET Framework, the .NET Tracer also limits its support for that version.

Levels of support

LevelSupport provided
UnsupportedNo implementation. Contact customer support for special requests.
BetaInitial implementation. May not yet contain all features. Support for new features, bug & security fixes provided on a best-effort basis.
General Availability (GA)Full implementation of all features. Full support for new features, bug & security fixes.
MaintenanceFull implementation of existing features. Does not receive new features. Support for bug & security fixes only.
End-of-life (EOL)No support.

Package versioning

Datadog APM for .NET Framework practices semantic versioning. Version updates imply the following changes to runtime support:

  • Major version updates (for example 1.0.0 to 2.0.0) may change support for any runtime from Beta/GA to Maintenance/EOL.
  • Minor version updates (for example 1.0.0 to 1.1.0) won’t lower the level of support for one runtime but may add support for one.
  • Patch version updates (for example 1.0.0 to 1.0.1) will not change support for any runtime.

Further reading

Additional helpful documentation, links, and articles:

Instrument Your ApplicationDOCUMENTATION more more Examples of Custom InstrumentationSOURCE CODE more more