WinDbg, howto find the cause of an IIS crash in production

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We had a dump file of the crash \o/ and I had a Microsoft training on this subject 3 month ago with the impressive Christophe Nasarre. Opening the dump Launch WinDbg x64 because we have a dump of a 64 bits process CTRL+D or FILE / OPEN CRASH DUMP Setting the symbols server .sympath SRV\*c:\symbols\* .reload Check the modification .sympath Symbol search path is: SRV*c:\symbols* Expanded Symbol search path is: srv*c:\symbols*http://msdl.