I remember reading before that Unity only supported ACTIVE/PASSIVE clustering, but now the document reads that it does indeed support ACTIVE/ACTIVE clustering on Exchange. Is anyone running this successfully? Are there any pitfalls or anything to watch out for when using Unity in a clustered Exchange environment?
I have Active/Active clustering running in the San Jose TAC lab. Its basically the same as running Active/Passive as far as Unity is concerned. As long as you read the section of the install guide that covers how to setup Unity with an Exchange cluster you should be fine.
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.