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Posts Tagged ‘HTTP 405’

Cognos Report Studio, IIS 7 and HTTP 405 errors

Posted by Brad Greene on September 19, 2011

A lot of businesses are finally upgrading or installing IBM Cognos on Windows Server 2008 with IIS 7. The documentation for configuring IIS 7 with Cognos 10 is hard to find and often inconsistent leading to some frustration. I’m not going to document all the steps needed here because there are lots of them and they vary based on whether you happen to have IIS 7 or 7.5 for example. One thing is clear, Microsoft’s effort to tighten up security has resulted in a lot more work being required to get things working correctly. This follows an all too familiar pattern in software development, the more features you add the more complicated to use it gets. Tightening security is one of those “damned if you do and damned if you don’t” issues as well. Almost no one is going to be happy. You might be more secure but you also might not be up and running for a few days!

Just a point of clarification on one item. The WebDav feature/service/role is required and is not automatically included with the IIS 7 install. If you have IIS 7.0 you will probably have to download the module from Microsoft’s web site and install it using the Administrator account. If you have IIS 7.5 then all you need to do is enable the WebDav role from Server Manager. If you do not install or enable WebDav you will most likely get a “405 – Method Not Allowed” error in Cognos Report Studio when trying to browse the images directory to select an image to place on your report. This despite being able to browse the folder from Internet Explorer. Directory Browsing allows your images to be accessed by Report Studio still requires WebDav. Here are a few useful links provided by colleagues or found in my efforts to get through the process.

Configure WebDAV on IIS 7.5

Configure IIS 7 and Cognos 8

Cognos Admin errors and IIS 7

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