The Unity server plays the subscriber's greeting, but before you can leave a message the system gets the failsafe greeting. Below is the error I get in the event log.
Event Type: Error
Event Source: CiscoUnity_PHGreeting
Event Category: (7)
Event ID: 504
Time: 12:43:22 PM
The description for Event ID ( 504 ) in Source ( CiscoUnity_PHGreeting ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. The following information is part of the event: RecordMessage, 0x80004005, 3283, e:\views\Unity188.8.131.52\un_Conv2\AvConvPhoneHandler\AvConvPHGreetingSvr\AvSPlayGreeting.cpp,
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.