今天給Exchange 2010服務器安裝SP2，發現Exchange Management Shell (EMS)圖標消失。後經過查詢找到如下解決方法。此方法是針對SP1的，但經過測試也適用於SP2。
Problem: After installing Service Pack 1 for Exchange Server 2010, the Exchange Management Shell is missing.
Cause: Missing certain .ps1 scripts from the bin directory, removed during SP1 setup.Resolution: There is no resolution at this time.
Workaround:
1.
Verify that the ConnectFunctions.ps1 , RemoteExchange.ps1 and CommonConnectFunctions.ps1 files are present in the %ExchangeInstallPath%\bin directory.
NOTE : If these files are missing, you can copy the files from the Exchange Server 2010 Service Pack 1 installation media to the %ExchangeInstallPath%\bin directory.
These files are present in the \setup\serverroles\common folder.
2.
Right click an open area on the Desktop, click New , click Shortcut .
3.
In the Type the location of the item , type in the text below:
%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe -noexit -command ". '%ExchangeInstallPath%\bin\RemoteExchange.ps1'; Connect-ExchangeServer -auto"
4.
Name the shortcut Exchange Management Shell and click Finish .
5.
Right click the Exchange Management Shell shortcut, click Properties and remove the text from Start In field on the Shortcut tab.
6.
On the Shortcut tab, click Change Icon , click Browse and type in the text below:
%SystemRoot%\Installer\{4934D1EA-BE46-48B1-8847-F1AF20E892C1}\PowerShell.exe
7.
Select the Exchange icon and click OK .
8.
Click Apply and click OK .
9.
Copy the new Exchange Management Shell shortcut to this location:
%systemdrive%\ProgramData\Microsoft\Windows\Start Menu\Programs\Microsoft Exchange Server 2010