IIS server gives 406 error on trying to download .img file

httpiis

We have an embedded product that download its firmware upgrade via HTTP using a program called nvtools. This works from a linux server using Apache. But we switched to a Windows server using IIS. Now we are getting a:
"406 – Client browser does not accept the MIME type of the requested page."

when trying to download the firmware update using nvtools. I can't change anything on the embedded system side to make this work. Our IT guy has not been able to fix this yet. What setting in IIS does he need to change to fix this issue?

Dennis

Best Answer

Add .img to the MIME types list as application/octet-stream

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The fact that it's an ASP.net app is probably exactly what the issue is here. Your application pool identity has to have rights (not necessarily the IIS identity; by default, the app pool identity is the local Network Service account.) You also probably need to run caspol.exe on your IIS machine.

http://msdn.microsoft.com/en-us/library/cb6t8dtz%28v=vs.80%29.aspx

http://learn.iis.net/page.aspx/50/aspnet-20-35-shared-hosting-configuration/

%windir%\Microsoft.NET\Framework\v2.0.50727\caspol -m -ag 1.  -url "file://\\remotefileserver\content$\*" FullTrust

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