the command setup was not found but does exist in the current location.

When you are preparing your Active directory for exchange 2013, you may get following error while executing setup /ps command.


the command setup was not found but does exist in the current location.

Here is the solution.

1. Open windows PowerShell.
2. Run it as an administrator
3. eun $env:PATH =$env:PATH+";."
4. Go to location where your exchange setup files are . 
5. run setup /ps.