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kb4034658
About this tag
The kb4034658 tag on WindowsForum.com covers discussions about a specific Windows update and its impact on WSUS (Windows Server Update Services). Users report that this update, associated with certain Windows 10 builds (versions 1607, 1511, and 1507), causes high CPU and memory usage in WSUS environments, including those integrated with System Center Configuration Manager. The tag aggregates threads where IT administrators troubleshoot performance issues following Update Tuesdays, share Microsoft's acknowledgment of the problem, and discuss ongoing investigations. This tag is relevant for system administrators managing WSUS and seeking community insights on update-related performance degradation.
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...
build 1507
build 1511
build 1607
build 1703
configuration manager
high cpu
it support
kb4022715
kb4022723
kb4025339
kb4034658
memory
memory usage
metadata processing
microsoft
performance issues
system update
update tuesday
windows 10
wsus