Windows 10 V1809: Upgrade to V1903 on July 23, 2019

[German]Just a short reminder for administrators of Windows 10 October 2019 Update (V1809) who manage the whole thing through Windows Update for Business (WUfB). Starting Tuesday, July 21, 2019, Microsoft will begin rolling out the upgrade to Windows 10 May 2019 Update (V1903).


The discussion below only apply to enterprise customers (who are using Windows 10 Pro or Enterprise or Education). Nothing changes for users of Windows 10 Home.

Microsoft reminds on the end of SAC-T

At the end of last week I became aware of the topic via a tweet from Microsoft via their Windows update channel.

The Microsoft team points out that on July 23, 2019, the 60-day upgrade blocker grace period expires for Windows 10 V1809 systems using Windows Update for Business (WUfB). So the feature update to Windows 10 V1903 will be offered, if the option to defere feature upgrades is set to 0 days.

Microsoft’s Announcement Details

Some time ago, Microsoft had already published the tech community article Windows Update for Business and the retirement of SAC-T in which the end of the Semi Annual Channel Targetet (SAC-T) was announced. I had blogged about that within the article Windows 10: SAC-T is dead for Windows Update for Business. On July 15, 2019, Microsoft added an additional note to the article.


Update 7/15/2019: As a reminder to customers on Windows 10, version 1809 using Windows Update for Business with a Branch Readiness Level set to Semi-Annual Channel and a default 0-day deferral, your 60-day one-time built-in deferral period will end on Tuesday, July 23, 2019 and your devices will begin updating to Windows 10, version 1903.

So if you use Windows Update for Business on machines with Windows 10 Version 1809 (Pro and Enterprise) for update management and had only set the value ‘Branch Readiness Level’, the defer upgrade block of 60 days expires on July 23, 2019. So these machines will be offered the upgrade to the Windows 10 May 2019 Update (V1903).

BTW: The Windows 10 May 2019 update was officially released for businesses users on May 21, 2019. 

Defer upgrades in Update options

Administrators will find options in the settings app under Advanced options to defer a feature update for up to 365 days (see following screenshot).

Update-Einstellungen Windows 10  V1809
(Source: Microsoft)

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