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This product reached the end of support date on March 31, 2021.

How do i disable profiling on .Net agent


Getting a myriad of messages in the application event log concerning the profiler:

.NET Runtime version 4.0.30319.0 - Loading profiler failed during CoCreateInstance. Profiler CLSID: '{DA7CFC47-3E35-4c4e-B495-534F93B28683}'. HRESULT: 0x80040154. Process ID (decimal): 8584. Message ID: [0x2504].


Dynatrace Advisor
Dynatrace Advisor

It's is a known problem. Some environment variables have been added to the system (accidentally) starting with agent version 163.

These variables are not created anymore in agent version 167+ and there is automatic removal code for them in agent version 169.

That being said, other than being annoying, these messages are harmless. You application won't break. The agent won't break. Everything is fine.

So, if you upgrade to the latest agent version, then these messages should be gone.

Your answer is related to Dynatrace but question is about Appmon 🙂 But you are right about that this isn’t issue for application monitoring and stability.