Looks like other users have reported this problem back in January but no response.
I receive the error: "Host not found" on some phones as soon as I select the service from the phone. on Other phones I can see the 4 options joing meeting etc but when I select one of these I get the error again "Host not found"
I was wondering if anyboy had solution to this. CUCM 6.x can resolve the MPE Server either by host name or IP.
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.