The CLR runtime dll was renamed to clr.dll with .NET 4. So in order to load the correct version of SOS you need to adjust your .loadby command. I.e. .loadby sos clr Also, if you’re on 64 bit, you should install the 32 bit version of Debugging Tools for Windows as well in order to … Read more
This is what worked for me: Download the following DLLs: clr.dll mscordacwks.dll SOS.dll from this folder on the machine that generated the dump: C:\Windows\Microsoft.NET\Framework64\v4.0.30319 Run the following command. The path to SOS.DLL should be without quotes, unescaped path delimiters: .load path to downloaded SOS.DLL I think a new WinDbg session is required for this to … Read more