I just spent a long slog sorting out why I could not connect to my SSIS instance remotely. I work in a very secure environment requiring network approval for any and all ports. According to the following article, I was under the impression that a request to open incoming traffic on port 135, to a specific IP, would allow SQL Server Management Studio, on that specific IP, to connect remotely to SSIS:
After opening port 135, I was receiving the error message in the title of this article:
If you find yourself in this situation, read on to see how Jon was able to solve the problem.