I was wondering if I could get some information on WSUS Content and how it is distributed. We have our main WSUS Server and three downstream servers and I've noticed that sometimes they run out of disk space due to downloaded content (especially the downstream servers). But this happens at random times and happens even when I haven't been approving any updates. For example, I got an alert about Disk Space this morning on one of the servers and found that the WSUS folder date modified was today meaning new content must have been downloaded even though I haven't ran any updates/approvals in over a month.
The folders within the WSUS Content folder are all numbered 0A, 0B, 0C, etc and some of them are showing as being modified this morning. I've a few questions on this:
- Why are these folders updating when I am not physically doing any work on them?
- Are WSUS updates downloaded to the servers even when they haven't been approved?
- Are downstream servers pulling in every single update that has been approved on the main WSUS server?
- Most importantly, how do I manage it so that these servers don't keep filling up and have to be purged every couple of weeks?