- Don’t execute the setpup.exe /prepareschema /iacceptexchangeserverlicenseterms of Exchange Server 2013 SP1 in the Windows PowerShell. Instead open the command prompt and execute it.
Reason: when you execute in windows PowerShell it will load the CU3 setup.exe but when you execute in Command prompt it loads SP1. Find the screenshot as follow.
Setup.exe in Command Prompt: Check the Banner ((It shows SP1)
Setup.exe in Windows Powershell: Check the Banner 🙂 (It shows CU3)
- Always use Run-As Administrator on the setup.exe when you try to install them in the GUI mode or else you will overcome some error message on access privilege on running the Exchange 2013 Setup