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After I run WSUS Offline on machines with 10 Home 1803, I then run Windows update manually and I notice that I often have to download:
KB4462933 - 2018-10 Update
KB4100347 - 2018-09 Update

Shouldn't WSUS Offline install these? But when I look in the shared folder where I store all the updates that WSUS Offline downloads, I can't find either of these updates.

What am I doing wrong?

No, WOU will never install these. MS usually issues two W10 updates a month - one on the second Tuesday and one usually two weeks later. Only the one issued on second Tuesday is security-related!

In other words: As WOU only installs security-related updates, only those are included. The other update is a pure feature / bugfix update. The former is included in the WSUS catalog, the latter isn't. Simple as that.

boco wrote:No, WOU will never install these. MS usually issues two W10 updates a month - one on the second Tuesday and one usually two weeks later. Only the one issued on second Tuesday is security-related!

In other words: As WOU only installs security-related updates, only those are included. The other update is a pure feature / bugfix update. The former is included in the WSUS catalog, the latter isn't. Simple as that.

Ok, perfect! So that means, from a security perspective, once WOU is complete, I don't have to worry about updates until next month?

WSUS Offline Update gets the system to a secure level (technical explanation: Microsoft Baseline Security Analyzer (MBSA) will tell you the system is secure). From a security perspective, you're good to go (assuming MS didn't f*ck up their catalog). Let WU update the rest at your leisure (or not). You will get the fixes for the bugfix update next month, then (they are cumulative).

Great! Thanks for the explanation.