We have a presence cluster System version: 18.104.22.16800-12.We have two server configured under the DefaultCUPSubcluster in high availability mode. All Contacts are searchable from Jabber, But when trying to add the contacts, we are unable to add the users who are assigned to the second server.
Eg, Server A has 50 Users assigned to it, and server B has 10, any user in Server A can add any of the assigned 50 users in the server A, but cannot add the 10 users in assigned in Server B. On trying to add, we get the following message " The system cannot currently add the contacts. Try again later or contact your system administrator"
Under System->Cluster Topology->Settings, check that you have the Routing Communication Type set to Router to Router instead of Multicast DNS. This is what usually causes the inter-node communication problems. Changing it to Router to Router will need services reset.
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.