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SYMSRV:  http://referencesource.microsoft.com/symbols/System.Web.pdb/E6EBD6B61CEA407591438CC4E48036891/System.Web.pdb not found

http://referencesource.microsoft.com/symbols: Symbols not found on symbol server.
SYMSRV:  System.Web.pdb from http://msdl.microsoft.com/download/symbols: 131401 bytes 

http://msdl.microsoft.com/download/symbols: Symbols downloaded from symbol server.
C:\Users\Micah\Symbols\System.Web.pdb\E6EBD6B61CEA407591438CC4E48036891\System.Web.pdb: Symbols loaded.

Notice how it was unable to find System.Web.pdb on referencesource.microsoft.com. It found it on msdl.microsoft.com but those don't come with source files/lines. I have downloaded the source code for System.Web.dll from referencesource.microsoft.com so I know the source is available. It was my understanding that referencesource.microsoft.com was supposed to have PDBs for all released versions of the .NET Framework (including patches)?

The version of System.Web.dll that is currently being loaded is the 64-bit version found in the GAC marked as version 4.0.30319.34212. It has a release date of 5/29/2014. As far as I know, it is the latest release of System.Web.dll, though if I am wrong on that I don't mind upgrading if it resolves this problem.

Micah Zoltu
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    Micah, You can troubleshoot this with that team. See: http://referencesource.microsoft.com/setup.html – Jeff Sanders - MSFT Dec 01 '14 at 20:53
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    Email sent. Thanks. – Micah Zoltu Dec 02 '14 at 00:43
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    Excellent! Let us all know the resolution/answer you get! – Jeff Sanders - MSFT Dec 03 '14 at 14:13
  • Still not working in 4.6. :( I have sent in another report. All other .NET Framework symbols load except System.Web and System.Data. – Micah Zoltu Jun 19 '15 at 15:41
  • A reply from Microsoft regarding this issue: "You can expect to see reference sources and symbols published together with the RTM version of .NET 4.6 Framework in the coming months." – Micah Zoltu Jun 19 '15 at 15:49
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    I’m having the same problem with .NET Framework 4.8 - the `System.Web.pdb` file downloaded from the symbol-server lacks source file information so even though I have the source of System.Web.dll *and* debug symbols for it for stack-traces, it won’t let me do source-stepping. – Dai Apr 25 '20 at 08:56

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