Brian Dunning's Error Code Reference

FileMaker Error 801

Unable to create temporary file on System disk



E.J. Sexton   E.J. Sexton, TourTech Systems, Inc.
Dec 27, 2010
This error occurred in XML Web Publishing when the C drive ran out of space entirely. It appears that the WPE must create a temporary file on the drive where it is installed in order to process the query to the FileMaker Server.