A "webpage cannot be displayed" or "Maximum request length exceeded" error message was raised when importing a process with large data files or uploading a large file into a process data in WorkflowGen

Process Design
1

Cause

The upload file size has exceeded the maximum allowed request length.

Solution

  1. Open the DRIVE:\Inetpub\wwwroot\wfgen\web.config file.

  2. Add or update the httpRuntime node and increase the maxRequestLength property value.

Requirements

  • Internet Information Services (IIS) 5.0 or higher
  • .NET Framework 1.0 or higher

Example

 <configuration>
    <system.web>
        <httpRuntime maxRequestLength="16384"/>
        <!-- 16 MB -->  
    </system.web>
    <system.webServer>
        <security>
            <requestFiltering>
                <requestLimits maxAllowedContentLength="157286400" />
            </requestFiltering>
        </security>
    </system.webServer>
</configuration>

References

http://msdn2.microsoft.com/en-us/library/e1f13641(vs.80).aspx
http://msdn.microsoft.com/en-us/library/e1f13641(VS.100).aspx
http://forums.iis.net/t/1169846.aspx