Is the certificate you use for code signing installed on the downstream server?
There's a similar sounding issue in this thread: https://wsuspackagepublisher.codeplex.com/discussions/459352
Also this one: https://wsuspackagepublisher.codeplex.com/discussions/573448
There's a similar sounding issue in this thread: https://wsuspackagepublisher.codeplex.com/discussions/459352
Also this one: https://wsuspackagepublisher.codeplex.com/discussions/573448
