Publish to PDF, TIF, or TIFF fails (retired) - SmartPlant Foundation - SmartPlant Foundation 2020 - Help - Hexagon

SmartPlant Foundation and Web Client Modified and Retired Functionality

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SmartPlant Foundation / SDx Version
SmartPlant Markup Plus Version
10.0 (2019)

The following applies if you are using a version of the software before Update 33 and SmartPlant Markup Plus Server 2019 SP 1 or earlier. For the latest information, see File viewing problems.


The following error displays when trying to publish a non-Hexagon file to PDF, TIF, or TIFF in the View and Markup page:

Error message posted says…."Error requesting document publish:Unable to load https://..... – " Status:0

Common Cause

You might encounter this problem if the token size generated by Integrated Windows Authentication (IWA) exceeds the header size of the URL request to publish to PDF, TIF, or TIFF. You must increase the maxHttpHeaderSize attribute in the server.xml file. Refer to the Apache Tomcat documentation at


Increase the header size limit allowed by the maxHttpHeaderSize attribute.

  1. Log on to the SmartPlant Markup Plus server as an administrator.

  2. Open the server.xml file delivered to the [installation location]\Apache Software Foundation\Tomcat [version]\conf\ folder.

  3. Increase the value specified by the maxHttpHeaderSize attribute.

  4. Save the file.