Hi,
Thank you for posting in Microsoft Q&A forum.
1,Please check your group policy to see if the windows update setting is pointed your SCCM SUP.
2,Also check registry keys under:
HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU
and HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate
Thanks for your time. Have a nice day!
Best regards,
Simon
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