A few months ago I built out a new SharePoint 2007 SP2 environment for a client on Server 2008 SP2. We then migrated their content DB’s from their x86 32bit environment to this new x64 bit environment, this process went as advertised. The new environment was put in production and was working like a charm.
The issue reported was with uploading files.
First thing looked at was any size limitations on the files they were trying to upload. Looking at the base configurations for file upload it was set at the default of 50mb. This was tested by uploading a simple text file, worked fine. After working with the end users on the issue it was identified that they were uploading files over 30mb, seemed like anything under that size worked fine but over that it acted like the file was overly large and would time out..
Very frustrating, all configurations were fine, even increased timeout session through IIS and that did not fix the issue.
After making that frustrating call to MS and working through these same troubleshooting attempts the issue was identified.
It appears that Windows Server 2008 is the culprit.. MS has a Knowledgebase Article ID: 944981 that resolved this issue, lets go through these steps.
Here is the KB articles on this subject:
- KB 944981 - http://support.microsoft.com/default.aspx/kb/944981
- KB 925083 - http://support.microsoft.com/kb/925083/
- KB 942074 - http://support.microsoft.com/kb/942074/
The change required are all manual.
Make the change to the web.config here: “C:\inetpub\wwwroot\wss\VirtualDirectories\(for each web app)”.
Do this on all WFE’s, also make sure to increase the size accordingly in Central admin.
Thanks to Todd for his input to this post.

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