Problem
When loading an XML file larger than 30 MB into the ROP Utility, the following error appears:
"The request failed with HTTP status 404: Not Found."
Examining the SPCClientTrace log file reveals a timeout exception.
Solution
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In IIS Manager on the Smart Construction server, select the SmartPlant Foundation primary site in which the error is occurring, and double-click Request Filtering in the IIS section.
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In the right hand pane, click Edit Feature Settings.
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Increase the value for Maximum allowed content length to a value high enough to allow time for processing the larger XML file.
Do not set the value excessively high as this could pose a security issue. Some experimentation may be required to discover the best value.