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My WSUS installation is now using 100 Gb of disk.

Is there a way to reduce this usage? How can I, say, delete updates included in Service Packs?

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2 Answers 2

You can go to Options > Server Cleanup Wizard, in the WSUS window, and clean up unused updates and update revisions, computers not contacting the server, uneeded update files, expired updates, and superseded updates. I do this approx. once a week, sometimes a little less frequently.

WSUS Server Cleanup Wizard

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This dialog never finishes. I let it run for several days and the cleaning never came to end. –  motobói Dec 17 '14 at 11:13

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