No Reboot
The “No-Install” Hack: Enable Disk Cleanup on Server 2008 R2
Need to free up space right now but can’t afford a reboot or a feature installation? Windows Server 2008 and 2008 R2 actually have the Disk Cleanup files hidden inside the System Component Store (WinSxS). You just have to move them to the right place.
The Manual “Copy-Paste” Method
By manually placing these two files into your System32 directory, you enable the cleanmgr command immediately.
1. Locate the Files
Search your C:\Windows\WinSxS directory for the following two files. Note: The long folder names may vary slightly based on your service pack level, so use the search bar if needed.
For Windows Server 2008 R2 (64-bit):
- The Executable:
amd64_microsoft-windows-cleanmgr_..._cleanmgr.exe - The Language Resource:
amd64_microsoft-windows-cleanmgr.resources_..._en-us_...\cleanmgr.exe.mui
2. Move to System32
Copy (don’t move, just in case) the files to these specific destinations:
- cleanmgr.exe →
%systemroot%\System32 - cleanmgr.exe.mui →
%systemroot%\System32\en-US
3. Run the Tool
You don’t need to register anything. Simply open a Command Prompt or the Run dialog (Win+R) and type: cleanmgr.exe
Why do it this way?
- Zero Downtime: No reboots, no “Configuring Windows” screens.
- Lightweight: You don’t pull in the rest of the “Desktop Experience” (like Media Player or desktop themes) that just adds more bloat to a server.
- Reliable: You are using the exact binaries Microsoft built for that specific OS version.
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