I am having CUCM 6.1.3.One Publisher and another Subscriber is there.I am having 7931 and 7911 Ip phones.All the phones are registered with my Publisher.but for last few days some of my phones are registering with the Subscriber though all other phones are registered with publisher and working properly.and after 2/3 minutes they are again re-registering with the publisher.that is not for some particular phone for any particular place,its happening randomly from different places in different phones.At that time i am getting the messages on the phone screen ----Temp Fail,UCM Down, Feature disabled.
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.