Hey all. I just wanted to share my experience with installing Windows 2008R2 Standard edtion OS on a new Dell PowerEdge T420 server.
We purchased the T420 server without the PERC controller and also without an OS because Windows 2012 is the only option at this point. We wanted to stay with Windows 2008 for reasons I won't get into here. Anyways, we purchased a Dell Windows 2008R2 installation disc from a vendor we deal with. Trying to install the OS was definitely a chore and should not have been this tough. Hopefully this helps someone else out because searching the internet for a solution, there was a lot of misinformation out there as to the reason why the OS won't load. Dell tech support was no help either, I had to come up with a solution on my own.
Here's the solution:
1. We started out with installing the Dell disc that comes with the server. Dell Systems Management Tools.
2. Let the installation go through it's process, but don't try to install the OS from here. You will only end up getting the error "A required CD/DVD drive device driver is missing"
3. We need to have a USB flash drive for installing the OS from. You can get instructions from here:
Making a bootable USB drive
The link does mention Windows 7, but this procedure is the same no matter what OS you are installing.
4. After making the bootable USB drive, then insert the installation media into the CD/DVD drive of your PC and copy the entire contents over to the USB drive.
5. After the copy is done, plug the USB drive into the server and make sure to have the server boot from the USB device.
6. The installer at this point will run from the USB device and should not complain about the CD/DVD device drivers any longer. Installation so go through fine unless it asks for another driver.
In my case Dell support either kept pointing the finger at the S110 PERC controller, which we do not have on this server. Or they claim the CD/DVD was burned too fast and to burn it slower. Which in our case, this is a OEM disc that was created for Dell. So save yourself the headache and try the USB method first. In my case this was the resolution.