Hi @Ashish.Singh,@Claudia.Landivar /Appdynamics team, I have followed the steps that are mentioned in this article to instrument .net core application with app dynamics .net core microservices. I can able to load the profiler with "AppDynamicsConfig.json" not <APP>.AppDynamicsConfig.json. But I can't able to get the metrics, transactions, and node details on the controller side. Note: I can able to get the transactions on the controller side for .net applications. Here are the below agent.log details, Please help me in solving the issue earliest. Info ConfigurationChannel Sending Registration request with: Application Name ***, Tier Name GlobeEx, Node Name ****, Host Name **** Node Unique Local ID ***, Version 21.5.1 compatible with 4.4.1.0 2021-08-02 18:53:13.6107 17712 ******1 67 Warn ConfigurationChannel Could not connect to the controller/invalid response from controller, cannot get initialization information, controller host [******.saas.appdynamics.com], port[***], exception [System.Exception: Connection back off limitation in effect: https://****************.saas.appdynamics.com:***/controller/instance/0/applicationConfiguration_PB_] 2021-08-02 18:53:13.6107 17712 *********1 67 Error ConfigurationChannel Exception: Connection back off limitation in effect: https://**********.saas.appdynamics.com:****/controller/instance/0/applicationConfiguration_PB_ Exception: System.Exception: Connection back off limitation in effect: https://********.saas.appdynamics.com:****/controller/instance/0/applicationConfiguration_PB_ Warn ConfigurationChannel Could not connect to the controller/invalid response from controller, cannot get initialization information, controller host [******.saas.appdynamics.com], port[****], exception [System.Exception: Failed to execute request to endpoint [https://******.saas.appdynamics.com:**/controller/instance/0/applicationConfiguration_PB_]. For more details if needed please set trace level for logger [com.appdynamics.REST.RESTProtobufCommunicator] ---> System.Net.WebException: The remote server returned an error: (401) Unauthorized.
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