Affected Users: IT Admins using WSUS 3.0 and Windows Server 2008 and 2008R2


Microsoft is transitioning all endpoints to the more secure TLS 1.2 cryptographic protocol. As Windows Server Update Services (WSUS) 3.0 Service Pack 2 (SP2) does not support this newer protocol, it can no longer be used to automate the download and installation of Windows updates beginning later this year.

When will this happen:

Beginning October 31, 2021, WSUS 3.0 SP2 will no longer synchronize and download updates. Although extended support for WSUS 3.0 SP2 officially ended on January 14, 2020 (in alignment with the end of support dates for Windows Server 2008 SP2 and Windows 2008 R2), it is still possible to synchronize and download updates from Microsoft using WSUS 3.0 SP2. This is changing and will no longer be the case starting October 31st.

How this will affect your organization:

Organizations still using WSUS 3.0 SP2 must migrate to a supported version of WSUS by October 31, 2021.

Latest Versions of WSUS:

Version Comments
WSUS 4.0 Part of Windows Server 2012 and 2012 R2
WSUS 5.0 Part of Windows Server 2016
WSUS 10.0 Part of Windows Server 2019


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