After 20 minutes of trying to figure out what happened to the Disk Clean up utility in Windows Server 2008, I found the Technet article that describes where to find it. There are 2 files already on the computer located in:
C:\Windows\winsxs\amd64_microsoft-windows-cleanmgr_xxxx
and
C:\Windows\winsxs\amd64_microsoft-windows-cleanmgr.resources_xxxx
where xxxx is a bunch of numbers depending on your Windows version
Place the cleanmgr.exe.mui file in C:\Windows\system32\en-us
Put cleanmgr.exe file in C:\Windows\system32
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