IF the Backup Server is able to handle both Primary Servers failover in a 2:1 model isn't consider a 1:1?
And the word a Backup Server; does it mean a totally idle CUCM or an active Subscriber with enough space to handle a primary call processor failing?
Whats the real difference between a Mega Cluster and Normal Cluster, since they both support 8 Call processor, and the normal cluster only supports 40,000 device, can't I just use 10K OVA with 8 Primary subscriber in a normal Cluster, is the 40,000 a software limit or is the 10k OVA exclusive to a MEGA Cluster?
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.