Just had a customer do something weird, and now trying to recover. Situation is W2K, E2K, and Unity v3.15 with Exchange 2000 installed on the Unity server (fully), and off-box msg storage.
Customer has just introduced an E2003 server, did the schema update to the AD. ALL user mailboxes still on the original E2K server. Unity started experiencing issues. When reserted, Unity won't come back up (I'm still waiting for specific error logs to get sent to us).
At a high-level, is this a known issue or known scenario that doesn't work?
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.