We have recently upgraded from exchange 5.5 to Exchange 2003, and in switching our Unity(4.1) server to the new exchange server everything appeared to work but now we are unable to open the SA page. we receive the following error in IE with the heading "Login" I've made sure the unity user accounts exist in AD and have the proper rights assigned to them.
hr=0x80040154 (Class not registered )
From: global.asa -- Initialize()
Please see your system administrator for more details.
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.