Troubleshooting
Problem
Cognos Analytics requires to allow unlisted file name extensions, unlisted verbs and high-bit characters at Request Filtering if user have restricted or blocked server environment with MIME type.
Symptom
HTTP 404.7 Not Found, The request filtering module is configured to deny the file extension from IIS Server failed trace log
Cause
Request Filtering does not allow unlisted file name extensions, unlisted verbs and high-bit characters
Environment
Window IIS server
Diagnosing The Problem
Turn on Trace for "Failed Request Tracing Rules" enable 400-505 error range
Review: Troubleshooting Failed Requests Using Tracing in IIS 8.5
https://www.iis.net/learn/troubleshoot/using-failed-request-tracing/troubleshooting-failed-requests-using-tracing-in-iis-85
Resolving The Problem
1. Open IIS server
2. Request filtering from Server name
3. Edit Feature Setting
Check Allow unlisted file name extensions
Check Allow unlisted verbs
Check Allow high-bit characters
4. Click Okay
5. Restart IIS server
Was this topic helpful?
Document Information
Modified date:
15 June 2018
UID
swg22001652