OVERVIEW: Windows Updates Schedule

Windows Update for Business

Clemson University managed PCs use Windows Update for Business settings to control delivery of Windows updates.  This allows more end user notification and control over when Windows Updates are delivered while allowing CCIT to defer the delivery of the updates for a more stable environment.  And, it still ensures critical updates are eventually applied.

There are four deferral groups available which determine the schedule for the updates.  These settings have been developed to deliver the latest version of Windows 10 while maintaining compatibility with University Systems.  Most managed pcs will be in the WFUB Updates (Standard) group, but there are three other groups available.  Contact your IT Support team if you wish to discuss if a deferral group other than WFUB Updates (Standard) is more appropriate for your PC.

Delay and Schedule Windows Updates

Users can delay Windows Update for up to 35 days and schedule when updates are installed. More info at https://support.microsoft.com/en-us/help/4028233/windows-10-manage-updates

Windows Update for Business Schedule

  WFUB Updates (Standard) WFUB Updates (Fast) WFUB Updates (Critical) WFUB Updates (Test) Description
Purpose Primary Production Updates Fast ring for broad testing Critical equipment getting updated after all others Internal testing Intended audience for an update classification
Branch readiness level Semi-Annual Channel Semi-Annual Channel Semi-Annual Channel Semi-Annual Channel Controls the speed new feature updates are deployed.  Since Windows 10 1903 most pcs use the semi-annual channel.
Feature Update Deferral (days) group1-180
90 360 30 Feature update are released twice a year and represent major changes to Windows 10.
Quality Updates Deferral (days) 9 2 15 0 Quality updates are released monthly and include security updates, drivers, and bug fixes.
Office 365 Update Channel
(Coming soon)
Semi-Annual Monthly Enterprise



Office 365 update channel control the speed new features are deployed.

Windows Update release schedule https://docs.microsoft.com/en-us/windows/release-information/

Office Update release schedule https://docs.microsoft.com/en-us/officeupdates/update-history-microsoft365-apps-by-date

WSUS/MECM Managed updates

Microsoft Endpoint Configuration Manager is used to deliver updates to labs and VDI to allow us to enforce a very restricted update schedule.

Labs/VDI Managed Nightly Update Schedule














-Deploy 3rd party updates to Test Computers if available

-Updates deployed to development computers for Tues night install

-Development Computers install updates 

-Test computers install 3rd party updates

-Testing computers install updates

-Test Labs install updates






    non-persistent VDI forced reboot    

Persistent VDI Day1

Persistent VDI Day2

Persistent VDI Day3

Persistent VDI Day4

 Persistent VDI Day5

-Persistent VDI Day6



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