When to UDS and when to use EDI in jabber for Windows
This is more of a design choice. EDI will peform the user queries to the configured LDAP server, while UDS will perform the user queries against the UDS service on Communications Manager.
So if you want to offload the endpoint lookups for user contact information from your LDAP server, you could use UDS and the CUCM will effectively replace the direct LDAP lookups. Though the CUCM will still need to sync with the LDAP server, but the load should be considerably less.
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.