We have faced the "A desktop heap allocation failed" error with event id 243 on the windows 2012 server and application called from the service keep on getting crashed with event id 0xc0000142. This failure repeatedly happen every Sunday(Once in 7 days). We don't this error on all other days.
When I looked into the web, found that this may be due to high usage of desktop heap memory of the service. So, I need to monitor the services(non-interactive) and desktop heap usage of each to see which will take more heap.
Also, we found that the error "The server {1F87137D-0E7C-44D5-8C73-4EFFB68962F2} did not register with DCOM within the required timeout.” is logged when faced the desktop heap allocation failure.
I have checked Desktop heap monitor tool, but it is not supporting for windows 2012 server.
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