I recently installed Service Pack 2 onto my Exchange 2007 server but had a few problems which I will try to explain here……
Download Location…..
http://www.microsoft.com/downloads/details.aspx?FamilyID=ee7829a3-0ae8-44de-822c-908cd1034523&displaylang=en
When running the Setup program the server failed pre-requisite checks on the Unified Messaging because apparently Microsoft only want you to have “en-US” Language Packs installed.
So I needed to remove the “en-GB” Language Pack.
This would be done using the command;
Setup.com / RemoveUmLanguagePack: en-GB
BUT here is what I got…..