This example shows how to make Microsoft Word ready for server
use. The other office products can also be configured just the same
All you need to do here is to make sure that there is no pop-up dialogs from Office products during PDF conversion.
Note: If you have previously modified Microsoft Word setting through Distributed COM Configuration Properties, you need to set it back to the orignal setting (especially in the Identity tab, it must be set to The launching user) . If you are not sure, we recommend re-installing Microsoft Word.
If you have any 3rd party Word macro or add-ins, we recommend that you remove them because they often add an extra overhead to Microsoft Word and slows down the whole PDF conversion process.
Under Windows Vista, 7, 8.x, 10, Windows Server 2008 and 2012, with Microsoft Word 2003 and 2007, for conversions using WordPrintJob from a system service or a web service, an interactive user must be logged in to the machine at all times. This requirement applies to ASP and ASP.NET alike. Note that only WordPrintJob is affected, whereas other Office conversion classes such as ExcelPrintJob, PowerPointPrintJob, PublisherPrintJob, and VisioPrintJob are not.
If a user cannot be permanently logged in to the machine for some reason, then consider the following workarounds: