Installation and Upgrade > Windchill ESI > Installing and Configuring Windchill ESI in an SAP Environment > Using the Middleware Installation and Configuration Utility > Performing Post Installation Steps > Publishing Documents with Cross-Referencing Values
  
Publishing Documents with Cross-Referencing Values
In order to publish documents successfully with cross-referencing values, you must update the file <TIBCO_HOME>\esi\bin\ESILookups.properties with the Domain Name Value for each Windchill document type. The default value for the domain is PTCNET. For more information refer to the following comment in the ESILookups.properties file:
* 
Cross-referencing refers to the use of ERP equivalents for the data that comes from Windchill.
# CROSS REFERENCING VALUES FOR DOCUMENTS
For example the line:
Type.WCTYPE|wt.doc.WTDocument| <InternetDomain>.Plan$$Document.*.*=DOC
may be modified to read as follows:
Type.WCTYPE|wt.doc.WTDocument|com.ptc.ptcnet.Plan$$Document.*.*=DOC