Are you downloading and installing the MP from the console or have you downloaded the MP manually and are you using add from disk?
In case of last option: Try to install the management pack directly using "Import Management Packs - Add - Add from Catalog"
Edit: to answer your question about the Exchange software. No need to install any Exchange related software on the SCOM server. For more information about what you need before you import this MP read the documentation that you can find on
http://www.microsoft.com/downloads/details.aspx?FamilyID=7150bfed-64a4-42a4-97a2-07048cca5d23
Before You Import the Exchange 2010 Management Pack
Before you import the Microsoft Exchange Server 2010 Management Pack, take the following actions:
·
Consider the supported configurations for the Exchange Server 2010 Management Pack. For more information about the supported configurations, see
Introduction to
the Exchange 2010 Management Pack earlier in this guide.
·
Ensure that all Exchange 2010 computers that are managed by the Operations Manager use LocalSystem as the Agent Action Account.
·
If you are monitoring Exchange Server 2010 Database Availability Groups (DAGs), ensure that all DAG members are monitored by Operations Manager 2007.
·
Ensure that all agents on Exchange 2010 computers have Agent Proxy enabled.
·
Install the update specified in Microsoft Knowledge Base article 971541 if you are running Operations Manager 2007 SP1. Install the update specified in Microsoft Knowledge Base article 974144
if you are running Operations Manager 2007 R2. Both of these articles and respective updates are pending release to the
Microsoft Help and Support (http://go.microsoft.com/fwlink/?LinkId=5967) Web site. These updates resolve several critical
issues that are more likely to occur when running the Exchange 2010 Management Pack.