Re: Unity VM with Exchange 5.5 and Exchange 2k on same domain.
Sounds like SMTP connector problems (this is probably more of an Exchange thing than a Unity thing). I'd take the event ID of that message along with the source and search at http://www.eventid.net.
Here's what MSDN says about the socket error...
No connection could be made because the target machine actively refused it. This usually results from trying to connect to a service that is inactive on the foreign hostthat is, one with no server application running."
Does the ccuniqh2 server have a SMTP connector installed? Is the ccuniqh2 server an Exchange server?
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.