To change this value you need to edit the web.config files of SharePoint and the web site.
1. Open the SharePoint web.config file located at
Drive:\Program Files\Common Files\Microsoft Shared\Web server extensions\12\TEMPLATE\LAYOUTS
(C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\LAYOUTS)
using NotePad or Visual Studio.
2. Find the
3. Save the site config file.4. Now you need to edit the web applications' web.config file. Normally this can be found under Drive:\Inetpub\wwwroot\wss\VirtualDirectories\VirtualDirectoryFolder(C:\Inetpub\wwwroot\wss\VirtualDirectories\82)using NotePad or Visual Studio. 5. Find the line maxRequestLength and add executionTimeout in to it as shown below.
6. Save the application config file.7. Do an IIS restart and then your change will be in effect.


3. Click on SharedServices1 (Administration site host) link in Manage this Farm's Shared Services page to open the Web Application General Settings page.
4. Find the Maximum Upload Size property and change it to the maximum upload file size you want. Note that you can put file sizes up to 2GB (2047MB).
Now you will be able to upload larger files than 50MB.