Note: This Wiki also applies to Bentley i-model Composition Server for PDF (iCS).
When using iModel Compositon Server and trying to create a Rendition from ProjectWise Explorer, receiving the following error message "Error calling the rendition web service.... Could not establish trust relationship for the SSl/TLS secure channel." Rendition web site was set up using SSL.
In the [RenditionWebServices] section of the dmskrnl.cfg file on the Integration Server, ensure that the server FQDN is specified. It will be in the format;https://server.bentley.com:443/RenditionService/RenditionService.svc