Applies To eB
Product(s):eB Server
Version(s):15.06.01, 16.X.X
Environment: N/A
Area: Files
Subarea: Brava
Original Author:Derek Berry, Bentley Technical Support Group

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Problem

The HTTP Response Code is 404 Unknown

The reason is that HTTP GET request size oversteps its default setting 2048 Bytes. 
It happens because Brava viewer encodes filenames and usernames in the query string so if your files or usernames are quite long, the chances are that you reach the limit for some users or for specific files.

Solution

To fix it, increase the request limit in IIS configuration from default 2048 to a higher number, e.g. 4096.

This can be done either via command line:
appcmd set config /section:requestfiltering /requestlimits.maxquerystring:4096

Or via IIS Manager:
Go to: DefaultBravaWebSite > Request Filtering > Headers (tab) > Edit Feature Setting 
Set "Maximum Query String (Bytes)" = 4096 (or higher)

External Links

Bentley Technical Support KnowledgeBase

Bentley LEARN Server

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