When you install Windows 7 on a new system, you traditionally have to go through a long process of downloading years of updates and constantly rebooting.Not anymore: Microsoft now offers a “Windows 7 SP1 Convenience Rollup” that essentially functions as Windows 7 Service Pack 2.To apply an Exchange 2010 service pack to an Exchange 2010 server that has the Edge Transport server role installed, the account you use must be a member of the local Administrators group on that computer.
Updating to service pack 2
For more information, see Prepare Active Directory and Domains.
If your organization uses a load-balanced array of Client Access servers, see the following guidance about how to upgrade your Client Access servers from one version of Exchange 2010 to another, for example, from Exchange 2010 RTM to Exchange 2010 SP1.
In an organization that has multiple Active Directory sites that use multiple Client Access servers in a proxy situation, you must upgrade the Internet-facing Client Access servers before upgrading Client Access servers that aren't Internet-facing.
Then, we recommend you install the Hub Transport, Unified Messaging, and Mailbox server roles.
Microsoft could change them at any time, so send us a note if these links appear dead.
If the direct download links work, you can skip downloading the update from the Microsoft Update Catalog website.
Just download the appropriate update and run it to install it.
If the direct download links don’t work or you just want to download the update in the official way, you’ll have to download the Windows 7 SP1 Convenience Rollup from Microsoft’s Update Catalog website.
If you’re not sure whether you have Windows 7 Service Pack 1 installed, open the Start menu, type “winver” into the search box, and press Enter.