You have configured IIS7 and you are facing problem opening a file which has '+' in its filename


You are facing this issue because the request filtering section does not allow the double escaping sequence.


To resolve this issue, follow below instructions:

  • in the IIS webserver section, double click the 'Request Filtering' icon
  • in the 'File Name Extension' right click->Edit Feature Settings...' the file 'web.config'
  • check the option 'Allow double escaping' (this option is unchecked by defualt)
  • repeat all above 3 steps for the 'defualt website' (or whatever you have given the name to your site)
  • re-start the IIS
  • you should now be able to open up the file name having '+' in its name.

Applies to


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