Exchange 2010 Upgrade SP1 auf SP2, prerequisites in Detail

Exchange 2010 Version:

To determine the Rollup that has been applied to Microsoft Exchange 2010, run the following command in the Exchange Management Shell:

GCM exsetup |%{$_.Fileversioninfo}

To determine the Microsoft Exchange version for all Microsoft Exchange Servers in the organisation:

Get-ExchangeServer | Format-Table Name, *Version*

Exchange 2010 Upgrade SP1 auf SP2:

http://technet.microsoft.com/en-us/library/bb629560.aspx

Mindestanforderung für Exchange 2010 Service Pack 2:

http://technet.microsoft.com/en-us/library/aa996719.aspx

Do you see the "prerequisites" in the Technet Article on 12.12.2011? I did not on first sight or it is hidden somewhere. There were some other detailed things missing or posted later on the Exchange 2010 release in general.

On a client Access Server your get following error

How to install for a CAS 2010 SP1 to SP2.

Open Server Manager

Expand Roles and right click on Web Server (IIS) and click on Add Role Services

Select 'IIS 6 WMI Compatibility' under IIS6 Management Tool-> IIS6 Management Compatibility

Select "Client Certificate Mapping Authentication"

Select "Http Redirection"

Select" Tracing"

Retry the Setup of SP2 with GUI: