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The following notes describe 4.5.x updates to the .NET Agent.

If an artifact has been updated, the version number of the updated artifact and its availability date are listed below. The version number corresponds to that shown on the download portal (http://download.appdynamics.com).

The most recent releases appear at the top of the page.

4.5.8 Updates

Version – February 22, 2019

  • You can analyze data collected from the .NET Agent for Linux, and create business monitoring dashboards to better understand your .NET Core applications with Transaction Analytics.
  • AppDynamics now automatically detects and monitors backend calls to Redis using the stackexchange library on .NET Core for Linux.
  • The .NET Agent supports IIS in-process hosting for ASP.NET Core 2.2. This enables you to monitor your .NET Core applications running on the latest .NET Core release, whether they are running in Azure or on-premise. 
Resolved Issues
DOTNET3224Identify REDIS backends using host name rather than server name, as server name changes frequently. Prevents backend explosion
DOTNET3436Slow memory leak affecting Full and Microservice .NET Agents
DOTNET-3561Runtime Reinstrumentation Handle Leak
DOTNET3574.NET Microservice agent for Linux causes application exception when Analytics is enabled

4.5.7 Updates

Version – January 29, 2019

  • AppDynamics .NET Agent for Linux allows you to monitor your performance of .NET Core applications in production running on Linux OS, so you get real-time visibility of application performance, business transactions and resource metrics. The .NET Agent for Linux is available on AppDynamics Controller version 4.4.1+. The supported environments are constantly being updated. See .NET Agent for Linux for more information.
Resolved Issues
DOTNET-3416JDBCConfiguration.isAnalyticsCPMLimitReached throws NullReferenceException
DOTNET-3420Snapshot URLs are missing for regular Asp.Net type BTs
DOTNET-3505EXC_BAD_ACCESS in AppAgent::stopExitCall

4.5.6 Updates

Version – December 20, 2018

  • Controller and Agent environment variables now follow the standard underscore naming format. There are also two new variables APPDYNAMICS_CONTROLLER_SSL_CERTFILE and APPDYNAMICS_CONTROLLER_SSL_CERTDIR. See .Net Agent Configuration Properties for more information.
  • The .NET Agent supports functionality to reference any environment variables when configuring Agent Node Name, Agent Tier Name, or Controller Application Name. This should help when deployment slots are enabled in Azure App Services. You can monitor and analyze performance metrics from different deployment slots by using node names. See .NET Agent Environment Variables for more information.

4.5.5 Updates

Version – November 29, 2018

Resolved Issues
DOTNET-2767Sitecore app crashes with Access violation when agent is instrumenting the app
DOTNET-3055Ability to use APPDYNAMICS_AGENT_NODE_NAME in Web.config for multiple .Net core Apps using same NodeID
DOTNET-3206Coordinator service cannot start after installation
DOTNET-3277Installation fails on Windows 2012 R2 64 bit
DOTNET-3298Failed to create interceptor for: Azure Service Fabric Exit v2

4.5.4 Updates

Version – October 25, 2018

Resolved Issues
DOTNET-2835Synchronization bug in ADConcurrentLinkedQueue can cause exception
DOTNET-3201When the .NET Agent MSI is not signed correctly, errors are thrown from Windows Smartscreen

4.5.2 Updates

Version – September 27, 2018

  • You can customize transaction correlation to enable AppDynamics transaction tracing where it would otherwise be unavailable for the .NET Core Microservices Agent. For example, you can extend transaction tracing across tiers spanning various services. See Configure Custom Correlation for .NET Applications for more information on custom correlation and how to configure it.

  • Service Fabric Support for the .NET Microservices Agent:

    • Service Fabric Remoting v.1 - full

    • Service Fabric Remoting v.2:
      Actors - full
      Stateful/Stateless services - OperationContract/ServiceContract name detection not available yet
      Tested on Microsoft.ServiceFabric.Services 3.1.274

Resolved Issues
DOTNET-2725Exceptions in Orleans tier not reported by agent monitoring Orleans app
DOTNET-2787SSRS crash due to agent-bootstrap-instrumentations
DOTNET-2790Missing Microsoft Azure search exit calls
DOTNET-2868Custom instrumentation for Azure webjob is not working
DOTNET-3140Add Package "AppDynamics.AgentSDK --version 4.5.1" with Dotnet Core SDK 2.1.x is failing the assembly reference

4.5.1 Updates

Version – August 29, 2018 

  • The .NET Agent now supports .NET Core 2.0 and 2.1
Resolved Issues
DOTNET‑2703Special characters in custom name causes System.Runtime.InteropServices.SEHException in Profiler Log
DOTNET-2764Incorrect async transaction boundary for POCO returning Task
DOTNET-2768Service endpoints are not instrumenting with microservices/standalone agent
DOTNET-3006Azure site extension missing

4.5.0 Updates

July 11, 2018

  • .NET Core for Linux SDK
  • You can now include or exclude applications using the AppDynamicsConfig.json file.
  • Added new app agent node property queue-single-threaded. This property specifies the threading architecture for the IBM MQ message queue. The value defaults to "false."
  • AppDynamics integration with Pivotal Cloud Foundry (PCF) allows you to deploy AppDynamics-monitored .NET applications on the Pivotal platform. See .NET Application in PCF - Monitoring Workflow.
Resolved Issues
DOTNET-1351Machine snapshots do not show CPU percentage and process when ProcessNameFormat is set to 2
DOTNET-1319Agent is not able to identify the ADO.NET exit for the System.Data.Common.DbDataAdapter class methods
DOTNET-2420QueueTask intermittent instrumentation issue when ReJIT is enabled
DOTNET‑2425Missing HTTP Exit calls result in inconsistent correlation with downstream tiers
DOTNET-2443Auto node naming is not working in Service Fabric cluster for .NET Core
DOTNET-2490Cache-Control value is modified when EUM BT correlation is enabled
DOTNET-2575.NET Core SDK 2.1.300 triggers BadImageFormatException