By Fred Langa
With its voracious appetite for disk space, WinSxS can be a problem for users of solid-state and other relatively small drives.
Fortunately, Win7’s little-known Deployment Image Servicing and Management tool can help regain gigabytes of space.
WinSxS folder too big for small drive
Reader Dave White is trying to make the most of his new solid-state drive’s (SSD) relatively limited space.
- “I wonder if you could discuss the ever-larger, WinSxS folder in Windows 7 again. You covered it a while back [May 14, 2009, item, “Huge WinSxS folder gobbles up disk space”], advising us to not fool with it. But I think it needs a revisit; it chews up more and more space on an SSD — for very little purpose.”I can’t move files out of the WinSxS folder, even as an administrator who’s taken ownership of the folder. How can I move these files to another drive for archiving?”
It’s possible — not guaranteed, but possible — to remove gigabytes of junk from the Windows Component Store (WinSxS) directory. However, manual deletion won’t work. You have to use a special command-line tool that’s built into Windows 7.
Before I go on, let’s quickly review the basics so we know we’re all on the same page.
The WinSxS system keeps libraries and backups of important DLLs and similar files. (I’ll call