Is Unity Connection 8.x able to support 20,000 with a single Ser
I just wanted to add to Rob's response by pointing out that you can support up to 20k users on a single server based on the platform overlay. This is specified as "per server" but with a Unity Connection cluster, the addition of the second node does not double user capacity. Your question was specifically about a single server scenario; however, I thought i might help to clarify how this relates to clustering as well in the same thread. See below for clarification from the supported platforms documentation:
"The total number of node ports is additive...but the total number of users supported is applicable only to the primary server."
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.