Do you get : “Setup previously failed while performing the action “Install”. You can’t resume setup by performing the action “BuildToBuildUpgrade”. As the screenshot below : Did you try to google / bing it and you are not getting any useful answers . Do you wonder how you can fix it? Here is teh solution: Applies to : Windows Server 2008R2 , Exchange 2010 RTM 1) Open “regedit” 2) HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\v14\MailboxRole 3) The role could potentially whichever role your server thinks installation was interrupted during 4) Delete the key named Action and try again, you will see the screen that you are after PS: If you have BACKUP EXEC… You might get an error, which states Hub Server role has some files open, close it and try to install again. Just make sure to go to services tab via services.msc in run or Start – Administrative Tools – Services and stop Symantec Backup Exec or Veritas backup exec...
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