Exchange Server 2010 Prerequisites script: Updated
If you follow this blog you may have noticed that I started a simple script and it had an updated a couple of weeks ago. Now, fellow MVP Pat Richard (http://www.ucblogs.net/blogs/exchange/default.aspx) added some nice features and I've been using and it saves a lot of time for sure! Thanks Pat Richard!
Read more at source: http://www.ucblogs.net/blogs/exchange/archive/2009/12/12/Automated-prerequisite-installation-via-PowerShell-for-Exchange-Server-2010-on-Windows-Server-2008-R2.aspx
You can also download the script from here: http://www.ucblogs.net/files/folders/powershell/entry125.aspx