The /LoginService performs many tasks to make Extension Mobility work. These tasks include DBL interaction. First, it modifies a device's loginUserid and loginTime fields in the Microsoft SQL Server database. Second, the system creates a new cnf.xml based on the profile chosen. After this new XML file is created, a Restart is issued to the phone and the new xml file is ready to use the line appearances and speed dials.
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.