Windows Enterprise Desktop

Oct 24 2008   10:38PM GMT

Post SP1 Cleanup on Vista



Posted by: Ed Tittel
Tags:
Desktops
Enterprise desktop
vsp1cln.exe
Windows Update
Windows Vista
Windows Vista SP1
Windows Vista troubleshooting

Whenever you install a service pack on a Windows machine, it’s not unusual for it to leave plenty of files strewn about the system disk in its wake. What’s unusual about Windows Vista SP1, however, is that it includes its own clean-up utility.

If you run it after performing an SP1 install it can recover somewhere between 1.2 and 2.0 GB of disk space from your hard disk. That’s the upside. If you elect to use this utility, however, the SP1 install becomes irreversible (unless you can restore a backup that includes those missing files) and you can’t roll back if you want or need to. That’s the downside.

Because I now make daily backups, the prospect of losing those files didn’t scare me too much. I went ahead and ran it, and have yet to experience any ill effects as a result. Here’s how to use this utility:

1. Open a command window inside Vista (I usually just type cmd into the search box in the Vista Start menu to do this).
2. Type the program name for the SP1 cleanup utility: vsp1cln.exe.
3. Wait for the utility to complete.

Here’s a screen dump of what you’ll see as that process completes, rendered in plain text for easy readability:


Microsoft Windows [Version 6.0.6001]
Copyright (c) 2006 Microsoft Corporation. All rights reserved

C:Windowssystem32> vsp1cln.exe
This operation will make Windows Vista Service Pack 1 permanent on this computer.
Upon completion you will not be able to remove Windows Vista Service Pack 1 from this system.

Would you like to continue? (Y/N): y
Performing Vista Service Pack 1 Disk Clean-up...
Windows Vista Service Pack 1 Disk Clean-up completed.

C:Windowssystem32>

On my PCs, space savings from running the command amounted to just over 1.2 GB, and took less than a minute to complete. If you’ve been using SP1 for a while and no longer need to roll back, or are ready to commit to this new Service Pack, feel free to use this utility to clean up the dross that will otherwise hang around on your hard disk forever afterward. What a treat to have Microsoft provide a tool to clean up after itself!

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