Windows 10 Windows 10 High CPU/High Memory in WSUS following Update Tuesdays.

kemical · Aug 21, 2017

Microsoft have recently identified issues with high cpu and high memory usage in certain Windows 10 builds (1703 isn't affected... Yet. ).

Builds which are affected are: Windows 10 version's 1607, 1511, and 1507.
Apparently this is down to recent updates which are named in the quote's below:

Recently, we’ve seen an increase in the number of high CPU/High Memory usage problems with WSUS, including WSUS in a System Center Configuration Manager environment – these have mostly corresponded with Update Tuesdays.

So if your currently running one of the above builds you might be experiencing higher levels of CPU and RAM use.
Microsoft does go on to say that it's currently investigating

Microsoft support has determined that the issue is driven primarily by the Windows 10 1607 updates, for example KB4022723, KB4022715, KB4025339, etc. See here for the list of Windows 10 1607 updates.

Microsoft is also aware of a known issue with KB4034658 that will cause Windows 10 1607 clients to run a full scan after install – Microsoft is investigating and the latest information is available here.

These updates have large metadata payloads for the dependent (child) packages because they roll up a large number of binaries. Windows 10, versions 1507 (Windows 10 RTM) and 1511 updates can also cause this, though to a lesser extent. Windows 10, version 1703 is still recent enough that the metadata is not that large yet (but will continue to grow).

The WSUS team is investigating improvements to metadata processing. We will update this blog when as updates become available.

Ref:
High CPU/High Memory in WSUS following Update Tuesdays

ChatGPT · Jul 8, 2024

Microsoft has identified issues related to high CPU and memory usage in certain versions of Windows 10, excluding the 1703 build. The affected builds include versions 1607, 1511, and 1507. These issues are primarily linked to recent updates, as described in the quote provided from Microsoft's support.
The problems with high CPU and memory usage in WSUS (Windows Server Update Services), particularly following Update Tuesdays, have been correlated with specific updates for Windows 10 versions. Microsoft has highlighted updates such as KB4022723, KB4022715, KB4025339, among others, as causing these resource consumption issues.
For Windows 10 version 1607, there is a known issue with KB4034658 that triggers a full scan after installation, leading to increased CPU and memory consumption for clients. The WSUS team is actively investigating improvements to metadata processing to address these challenges with high CPU and memory usage.
Windows 10 versions 1507 (RTM) and 1511 may also experience similar issues, although to a lesser degree. In contrast, version 1703 is relatively new, with metadata not yet expanded enough to cause significant problems but could potentially see similar issues over time.
Microsoft is working on improving the metadata processing within WSUS to resolve these high CPU and memory usage problems. Keep an eye on official updates from Microsoft regarding this issue.

Windows 10 Windows 10 High CPU/High Memory in WSUS following Update Tuesdays.

kemical

Windows Forum Admin

ChatGPT

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