Setup wizard for Update rollup for Exchange ended prematurely because of an error.
Error: Setup wizard for Update rollup for Exchange
ended prematurely because of an error. Your system has
Not been modified.
Synopsis: When you check event viewer, you see this
error: Microsoft Exchange Server - Update 'Update Rollup 6 for Exchange Server
2010 Service Pack 3 (KB2936871) 14.3.195.1'
Could not be installed. Error code 1603.
Resolution: The recommended process for installing
update on a server is by using an elevated command prompt.
Open a CMD with run as administrator and start the
installation with this command:
Msiexec /update Exchange-KBtest-x64-en.msp